36649806972 has 24 divisors (see below), whose sum is σ = 85553284992. Its totient is φ = 12211306800.

The previous prime is 36649806967. The next prime is 36649806979. The reversal of 36649806972 is 27960894663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36649806979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633054 + ... + 688517.

It is an arithmetic number, because the mean of its divisors is an integer number (3564720208).

Almost surely, 2^36649806972 is an apocalyptic number.

It is an amenable number.

36649806972 is an abundant number, since it is smaller than the sum of its proper divisors (48903478020).

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

36649806972 is a wasteful number, since it uses less digits than its factorization.

36649806972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323889 (or 1323887 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 36649806972 in words is "thirty-six billion, six hundred forty-nine million, eight hundred six thousand, nine hundred seventy-two".