36630493631 has 4 divisors (see below), whose sum is σ = 36709609632. Its totient is φ = 36551377632.

The previous prime is 36630493619. The next prime is 36630493633. The reversal of 36630493631 is 13639403663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36630493631 - 2⁶ = 36630493567 is a prime.

It is a super-2 number, since 2×36630493631² (a number of 22 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 (36630493633) 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, 39557306 + ... + 39558231.

It is an arithmetic number, because the mean of its divisors is an integer number (9177402408).

Almost surely, 2^36630493631 is an apocalyptic number.

36630493631 is a deficient number, since it is larger than the sum of its proper divisors (79116001).

36630493631 is an equidigital number, since it uses as much as digits as its factorization.

36630493631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79116000.

The product of its (nonzero) digits is 629856, while the sum is 44.

The spelling of 36630493631 in words is "thirty-six billion, six hundred thirty million, four hundred ninety-three thousand, six hundred thirty-one".