91920633962 has 8 divisors (see below), whose sum is σ = 141243901092. Its totient is φ = 44839333600.

The previous prime is 91920633953. The next prime is 91920633977. The reversal of 91920633962 is 26933602919.

It can be written as a sum of positive squares in 2 ways, for example, as 66702876361 + 25217757601 = 258269^2 + 158801^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 91920633962.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560491589 + ... + 560491752.

Almost surely, 2^91920633962 is an apocalyptic number.

91920633962 is a deficient number, since it is larger than the sum of its proper divisors (49323267130).

91920633962 is a wasteful number, since it uses less digits than its factorization.

91920633962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120983384.

The product of its (nonzero) digits is 944784, while the sum is 50.

The spelling of 91920633962 in words is "ninety-one billion, nine hundred twenty million, six hundred thirty-three thousand, nine hundred sixty-two".