90255338963 has 2 divisors, whose sum is σ = 90255338964. Its totient is φ = 90255338962.

The previous prime is 90255338959. The next prime is 90255338977. The reversal of 90255338963 is 36983355209.

It is a weak prime.

It is an emirp because it is prime and its reverse (36983355209) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90255338963 - 2² = 90255338959 is a prime.

It is a super-2 number, since 2×90255338963² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (90255338903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45127669481 + 45127669482.

It is an arithmetic number, because the mean of its divisors is an integer number (45127669482).

Almost surely, 2^90255338963 is an apocalyptic number.

90255338963 is a deficient number, since it is larger than the sum of its proper divisors (1).

90255338963 is an equidigital number, since it uses as much as digits as its factorization.

90255338963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 53.

The spelling of 90255338963 in words is "ninety billion, two hundred fifty-five million, three hundred thirty-eight thousand, nine hundred sixty-three".