1451001463221 has 16 divisors (see below), whose sum is σ = 1954094996160. Its totient is φ = 957623779200.

The previous prime is 1451001463193. The next prime is 1451001463253. The reversal of 1451001463221 is 1223641001541.

It is not a de Polignac number, because 1451001463221 - 2⁵ = 1451001463189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451001463271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1877985 + ... + 2535513.

It is an arithmetic number, because the mean of its divisors is an integer number (122130937260).

Almost surely, 2^{1451001463221} is an apocalyptic number.

It is an amenable number.

1451001463221 is a deficient number, since it is larger than the sum of its proper divisors (503093532939).

1451001463221 is a wasteful number, since it uses less digits than its factorization.

1451001463221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664916.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 1451001463221 its reverse (1223641001541), we get a palindrome (2674642464762).

It can be divided in two parts, 145100 and 1463221, that added together give a triangular number (1608321 = T₁₇₉₃).

The spelling of 1451001463221 in words is "one trillion, four hundred fifty-one billion, one million, four hundred sixty-three thousand, two hundred twenty-one".