90935065951 has 4 divisors (see below), whose sum is σ = 91479587472. Its totient is φ = 90390544432.

The previous prime is 90935065931. The next prime is 90935065973. The reversal of 90935065951 is 15956053909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90935065951 - 2²⁹ = 90398195039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90935065901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272260510 + ... + 272260843.

It is an arithmetic number, because the mean of its divisors is an integer number (22869896868).

Almost surely, 2^90935065951 is an apocalyptic number.

90935065951 is a deficient number, since it is larger than the sum of its proper divisors (544521521).

90935065951 is a wasteful number, since it uses less digits than its factorization.

90935065951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544521520.

The product of its (nonzero) digits is 1640250, while the sum is 52.

The spelling of 90935065951 in words is "ninety billion, nine hundred thirty-five million, sixty-five thousand, nine hundred fifty-one".