90742553953 has 2 divisors, whose sum is σ = 90742553954. Its totient is φ = 90742553952.

The previous prime is 90742553903. The next prime is 90742554013. The reversal of 90742553953 is 35935524709.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80824784209 + 9917769744 = 284297^2 + 99588^2 .

It is a cyclic number.

It is not a de Polignac number, because 90742553953 - 2²⁹ = 90205683041 is a prime.

It is a super-2 number, since 2×90742553953² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90742553953.

It is not a weakly prime, because it can be changed into another prime (90742553903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45371276976 + 45371276977.

It is an arithmetic number, because the mean of its divisors is an integer number (45371276977).

Almost surely, 2^90742553953 is an apocalyptic number.

It is an amenable number.

90742553953 is a deficient number, since it is larger than the sum of its proper divisors (1).

90742553953 is an equidigital number, since it uses as much as digits as its factorization.

90742553953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103000, while the sum is 52.

The spelling of 90742553953 in words is "ninety billion, seven hundred forty-two million, five hundred fifty-three thousand, nine hundred fifty-three".