90946139999 has 16 divisors (see below), whose sum is σ = 107883170304. Its totient is φ = 75577471200.

The previous prime is 90946139983. The next prime is 90946140007. The reversal of 90946139999 is 99993164909.

It is not a de Polignac number, because 90946139999 - 2⁴ = 90946139983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90946139959) 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, 3072587 + ... + 3102044.

It is an arithmetic number, because the mean of its divisors is an integer number (6742698144).

Almost surely, 2^90946139999 is an apocalyptic number.

90946139999 is a deficient number, since it is larger than the sum of its proper divisors (16937030305).

90946139999 is a wasteful number, since it uses less digits than its factorization.

90946139999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6174758.

The product of its (nonzero) digits is 38263752, while the sum is 68.

The spelling of 90946139999 in words is "ninety billion, nine hundred forty-six million, one hundred thirty-nine thousand, nine hundred ninety-nine".