90529984691 has 8 divisors (see below), whose sum is σ = 93799548384. Its totient is φ = 87303726720.

The previous prime is 90529984651. The next prime is 90529984709. The reversal of 90529984691 is 19648992509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90529984691 - 2³⁴ = 73350115507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90529984631) 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, 10822175 + ... + 10830536.

It is an arithmetic number, because the mean of its divisors is an integer number (11724943548).

Almost surely, 2^90529984691 is an apocalyptic number.

90529984691 is a deficient number, since it is larger than the sum of its proper divisors (3269563693).

90529984691 is a wasteful number, since it uses less digits than its factorization.

90529984691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21652861.

The product of its (nonzero) digits is 12597120, while the sum is 62.

The spelling of 90529984691 in words is "ninety billion, five hundred twenty-nine million, nine hundred eighty-four thousand, six hundred ninety-one".