36549643604 has 12 divisors (see below), whose sum is σ = 64155116928. Its totient is φ = 18219610200.

The previous prime is 36549643567. The next prime is 36549643619. The reversal of 36549643604 is 40634694563.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13801412 + ... + 13804059.

It is an arithmetic number, because the mean of its divisors is an integer number (5346259744).

Almost surely, 2^36549643604 is an apocalyptic number.

It is an amenable number.

36549643604 is a deficient number, since it is larger than the sum of its proper divisors (27605473324).

36549643604 is a wasteful number, since it uses less digits than its factorization.

36549643604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27605806 (or 27605804 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 50.

The spelling of 36549643604 in words is "thirty-six billion, five hundred forty-nine million, six hundred forty-three thousand, six hundred four".