36896869864 has 8 divisors (see below), whose sum is σ = 69181631010. Its totient is φ = 18448434928.

The previous prime is 36896869831. The next prime is 36896869871. The reversal of 36896869864 is 46896869863.

36896869864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 30331008964 + 6565860900 = 174158^2 + 81030^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×36896869864² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2306054359 + ... + 2306054374.

Almost surely, 2^36896869864 is an apocalyptic number.

It is an amenable number.

36896869864 is a deficient number, since it is larger than the sum of its proper divisors (32284761146).

36896869864 is a wasteful number, since it uses less digits than its factorization.

36896869864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612108739 (or 4612108735 counting only the distinct ones).

The product of its digits is 644972544, while the sum is 73.

Subtracting 36896869864 from its reverse (46896869863), we obtain a palindrome (9999999999).

The spelling of 36896869864 in words is "thirty-six billion, eight hundred ninety-six million, eight hundred sixty-nine thousand, eight hundred sixty-four".