90845932634 has 16 divisors (see below), whose sum is σ = 142284954240. Its totient is φ = 43420151280.

The previous prime is 90845932621. The next prime is 90845932711. The reversal of 90845932634 is 43623954809.

It is a super-2 number, since 2×90845932634² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561677 + ... + 705104.

It is an arithmetic number, because the mean of its divisors is an integer number (8892809640).

Almost surely, 2^90845932634 is an apocalyptic number.

90845932634 is a deficient number, since it is larger than the sum of its proper divisors (51439021606).

90845932634 is a wasteful number, since it uses less digits than its factorization.

90845932634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268365.

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 90845932634 in words is "ninety billion, eight hundred forty-five million, nine hundred thirty-two thousand, six hundred thirty-four".