636972303598098 has 64 divisors (see below), whose sum is σ = 1431615804014592. Its totient is φ = 187466720696640.

The previous prime is 636972303597893. The next prime is 636972303598139. The reversal of 636972303598098 is 890895303279636.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96936643 + ... + 103298873.

It is an arithmetic number, because the mean of its divisors is an integer number (22368996937728).

Almost surely, 2^{636972303598098} is an apocalyptic number.

636972303598098 is an abundant number, since it is smaller than the sum of its proper divisors (794643500416494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

636972303598098 is a wasteful number, since it uses less digits than its factorization.

636972303598098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6418079.

The product of its (nonzero) digits is 3174474240, while the sum is 78.

The spelling of 636972303598098 in words is "six hundred thirty-six trillion, nine hundred seventy-two billion, three hundred three million, five hundred ninety-eight thousand, ninety-eight".