453378157537 has 2 divisors, whose sum is σ = 453378157538. Its totient is φ = 453378157536.

The previous prime is 453378157493. The next prime is 453378157541. The reversal of 453378157537 is 735751873354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 449542089441 + 3836068096 = 670479^2 + 61936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453378157537 is a prime.

It is not a weakly prime, because it can be changed into another prime (453378157597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226689078768 + 226689078769.

It is an arithmetic number, because the mean of its divisors is an integer number (226689078769).

Almost surely, 2^453378157537 is an apocalyptic number.

It is an amenable number.

453378157537 is a deficient number, since it is larger than the sum of its proper divisors (1).

453378157537 is an equidigital number, since it uses as much as digits as its factorization.

453378157537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044000, while the sum is 58.

The spelling of 453378157537 in words is "four hundred fifty-three billion, three hundred seventy-eight million, one hundred fifty-seven thousand, five hundred thirty-seven".