90219372359 has 2 divisors, whose sum is σ = 90219372360. Its totient is φ = 90219372358.

The previous prime is 90219372301. The next prime is 90219372391. The reversal of 90219372359 is 95327391209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90219372359 - 2³⁶ = 21499895623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90219375359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45109686179 + 45109686180.

It is an arithmetic number, because the mean of its divisors is an integer number (45109686180).

Almost surely, 2^90219372359 is an apocalyptic number.

90219372359 is a deficient number, since it is larger than the sum of its proper divisors (1).

90219372359 is an equidigital number, since it uses as much as digits as its factorization.

90219372359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 918540, while the sum is 50.

The spelling of 90219372359 in words is "ninety billion, two hundred nineteen million, three hundred seventy-two thousand, three hundred fifty-nine".