451264715537 has 2 divisors, whose sum is σ = 451264715538. Its totient is φ = 451264715536.

The previous prime is 451264715527. The next prime is 451264715543. The reversal of 451264715537 is 735517462154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 388030572241 + 63234143296 = 622921^2 + 251464^2 .

It is a cyclic number.

It is not a de Polignac number, because 451264715537 - 2¹⁰ = 451264714513 is a prime.

It is not a weakly prime, because it can be changed into another prime (451264715527) 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 as a sum of consecutive naturals, namely, 225632357768 + 225632357769.

It is an arithmetic number, because the mean of its divisors is an integer number (225632357769).

Almost surely, 2^451264715537 is an apocalyptic number.

It is an amenable number.

451264715537 is a deficient number, since it is larger than the sum of its proper divisors (1).

451264715537 is an equidigital number, since it uses as much as digits as its factorization.

451264715537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528000, while the sum is 50.

The spelling of 451264715537 in words is "four hundred fifty-one billion, two hundred sixty-four million, seven hundred fifteen thousand, five hundred thirty-seven".