90641209496 has 32 divisors (see below), whose sum is σ = 177680770560. Its totient is φ = 43267210272.

The previous prime is 90641209493. The next prime is 90641209517. The reversal of 90641209496 is 69490214609.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90641209493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374720 + ... + 567183.

It is an arithmetic number, because the mean of its divisors is an integer number (5552524080).

Almost surely, 2^90641209496 is an apocalyptic number.

It is an amenable number.

90641209496 is a deficient number, since it is larger than the sum of its proper divisors (87039561064).

90641209496 is a wasteful number, since it uses less digits than its factorization.

90641209496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942455 (or 942451 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 90641209496 in words is "ninety billion, six hundred forty-one million, two hundred nine thousand, four hundred ninety-six".