90101392619 has 12 divisors (see below), whose sum is σ = 109368861264. Its totient is φ = 73871948304.

The previous prime is 90101392607. The next prime is 90101392637. The reversal of 90101392619 is 91629310109.

It is not a de Polignac number, because 90101392619 - 2²⁰ = 90100344043 is a prime.

It is a super-2 number, since 2×90101392619² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90101392639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39972872 + ... + 39975125.

It is an arithmetic number, because the mean of its divisors is an integer number (9114071772).

Almost surely, 2^90101392619 is an apocalyptic number.

90101392619 is a deficient number, since it is larger than the sum of its proper divisors (19267468645).

90101392619 is a wasteful number, since it uses less digits than its factorization.

90101392619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79948034 (or 79948027 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The spelling of 90101392619 in words is "ninety billion, one hundred one million, three hundred ninety-two thousand, six hundred nineteen".