90615773013 has 16 divisors (see below), whose sum is σ = 127974219840. Its totient is φ = 56836480256.

The previous prime is 90615772993. The next prime is 90615773023. The reversal of 90615773013 is 31037751609.

It is not a de Polignac number, because 90615773013 - 2¹⁶ = 90615707477 is a prime.

It is a super-2 number, since 2×90615773013² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90615773023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176295 + ... + 460772.

It is an arithmetic number, because the mean of its divisors is an integer number (7998388740).

Almost surely, 2^90615773013 is an apocalyptic number.

It is an amenable number.

90615773013 is a deficient number, since it is larger than the sum of its proper divisors (37358446827).

90615773013 is a wasteful number, since it uses less digits than its factorization.

90615773013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639876.

The product of its (nonzero) digits is 119070, while the sum is 42.

The spelling of 90615773013 in words is "ninety billion, six hundred fifteen million, seven hundred seventy-three thousand, thirteen".