90946139998 has 32 divisors (see below), whose sum is σ = 157960028160. Its totient is φ = 38464320960.

The previous prime is 90946139983. The next prime is 90946140007. The reversal of 90946139998 is 89993164909.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2315290 + ... + 2354242.

It is an arithmetic number, because the mean of its divisors is an integer number (4936250880).

Almost surely, 2^90946139998 is an apocalyptic number.

90946139998 is a deficient number, since it is larger than the sum of its proper divisors (67013888162).

90946139998 is a wasteful number, since it uses less digits than its factorization.

90946139998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41152.

The product of its (nonzero) digits is 34012224, while the sum is 67.

The spelling of 90946139998 in words is "ninety billion, nine hundred forty-six million, one hundred thirty-nine thousand, nine hundred ninety-eight".