453378157553 has 2 divisors, whose sum is σ = 453378157554. Its totient is φ = 453378157552.

The previous prime is 453378157543. The next prime is 453378157597. The reversal of 453378157553 is 355751873354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 403609901809 + 49768255744 = 635303^2 + 223088^2 .

It is a cyclic number.

It is not a de Polignac number, because 453378157553 - 2⁴ = 453378157537 is a prime.

It is not a weakly prime, because it can be changed into another prime (453378157543) 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 as a sum of consecutive naturals, namely, 226689078776 + 226689078777.

It is an arithmetic number, because the mean of its divisors is an integer number (226689078777).

Almost surely, 2^453378157553 is an apocalyptic number.

It is an amenable number.

453378157553 is a deficient number, since it is larger than the sum of its proper divisors (1).

453378157553 is an equidigital number, since it uses as much as digits as its factorization.

453378157553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460000, while the sum is 56.

The spelling of 453378157553 in words is "four hundred fifty-three billion, three hundred seventy-eight million, one hundred fifty-seven thousand, five hundred fifty-three".