91464383998 has 8 divisors (see below), whose sum is σ = 147750158808. Its totient is φ = 42214331064.

The previous prime is 91464383963. The next prime is 91464383999. The reversal of 91464383998 is 89938346419.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91464383999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758930436 + ... + 1758930487.

It is an arithmetic number, because the mean of its divisors is an integer number (18468769851).

Almost surely, 2^91464383998 is an apocalyptic number.

91464383998 is a deficient number, since it is larger than the sum of its proper divisors (56285774810).

91464383998 is a wasteful number, since it uses less digits than its factorization.

91464383998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517860938.

The product of its digits is 40310784, while the sum is 64.

The spelling of 91464383998 in words is "ninety-one billion, four hundred sixty-four million, three hundred eighty-three thousand, nine hundred ninety-eight".