1451492438841 has 9 divisors (see below), whose sum is σ = 2096605410159. Its totient is φ = 967659216336.

The previous prime is 1451492438833. The next prime is 1451492438857. The reversal of 1451492438841 is 1488342941541.

The square root of 1451492438841 is 1204779.

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

1451492438841 is a `hidden beast` number, since 1 + 4 + 514 + 9 + 2 + 4 + 3 + 88 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1331704460025 + 119787978816 = 1153995^2 + 346104^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 1451492438841 - 2³ = 1451492438833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1451492434841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3413541 + ... + 3815133.

Almost surely, 2^{1451492438841} is an apocalyptic number.

1451492438841 is the 1204779-th square number.

1451492438841 is the 602390-th centered octagonal number.

It is an amenable number.

1451492438841 is a deficient number, since it is larger than the sum of its proper divisors (645112971318).

1451492438841 is an frugal number, since it uses more digits than its factorization.

1451492438841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803192 (or 401596 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 1451492438841 in words is "one trillion, four hundred fifty-one billion, four hundred ninety-two million, four hundred thirty-eight thousand, eight hundred forty-one".