36634985793 has 48 divisors (see below), whose sum is σ = 64426951680. Its totient is φ = 19593474912.

The previous prime is 36634985753. The next prime is 36634985797. The reversal of 36634985793 is 39758943663.

36634985793 is a `hidden beast` number, since 3 + 6 + 6 + 3 + 498 + 57 + 93 = 666.

It is not a de Polignac number, because 36634985793 - 2²⁶ = 36567876929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 36634985793.

It is not an unprimeable number, because it can be changed into a prime (36634985797) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85021 + ... + 283722.

It is an arithmetic number, because the mean of its divisors is an integer number (1342228160).

Almost surely, 2^36634985793 is an apocalyptic number.

It is an amenable number.

36634985793 is a deficient number, since it is larger than the sum of its proper divisors (27791965887).

36634985793 is a wasteful number, since it uses less digits than its factorization.

36634985793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368858 (or 368855 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 36634985793 in words is "thirty-six billion, six hundred thirty-four million, nine hundred eighty-five thousand, seven hundred ninety-three".