1451371963441 has 3 divisors (see below), whose sum is σ = 1451373168171. Its totient is φ = 1451370758712.

The previous prime is 1451371963411. The next prime is 1451371963507. The reversal of 1451371963441 is 1443691731541.

The square root of 1451371963441 is 1204729.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 111241593841 + 1340130369600 = 333529^2 + 1157640^2 .

It is not a de Polignac number, because 1451371963441 - 2¹⁹ = 1451371439153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1451371963411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 602365 + ... + 1807093.

It is an arithmetic number, because the mean of its divisors is an integer number (483791056057).

Almost surely, 2^{1451371963441} is an apocalyptic number.

1451371963441 is the 1204729-th square number.

1451371963441 is the 602365-th centered octagonal number.

It is an amenable number.

1451371963441 is a deficient number, since it is larger than the sum of its proper divisors (1204730).

1451371963441 is an frugal number, since it uses more digits than its factorization.

1451371963441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409458 (or 1204729 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

Multiplying 1451371963441 by its sum of digits (49), we get a square (71117226208609 = 8433103²).

The spelling of 1451371963441 in words is "one trillion, four hundred fifty-one billion, three hundred seventy-one million, nine hundred sixty-three thousand, four hundred forty-one".