98520361631 has 4 divisors (see below), whose sum is σ = 98521076232. Its totient is φ = 98519647032.

The previous prime is 98520361627. The next prime is 98520361657. The reversal of 98520361631 is 13616302589.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 98520361631 - 2² = 98520361627 is a prime.

It is a super-2 number, since 2×98520361631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98520361031) 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, 77420 + ... + 450593.

It is an arithmetic number, because the mean of its divisors is an integer number (24630269058).

Almost surely, 2^98520361631 is an apocalyptic number.

98520361631 is a deficient number, since it is larger than the sum of its proper divisors (714601).

98520361631 is a wasteful number, since it uses less digits than its factorization.

98520361631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714600.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 98520361631 in words is "ninety-eight billion, five hundred twenty million, three hundred sixty-one thousand, six hundred thirty-one".