37664929012 has 12 divisors (see below), whose sum is σ = 65941678656. Its totient is φ = 18824449400.

The previous prime is 37664929009. The next prime is 37664929013. The reversal of 37664929012 is 21092946673.

It is a super-2 number, since 2×37664929012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37664929013) 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, 1993198 + ... + 2012005.

It is an arithmetic number, because the mean of its divisors is an integer number (5495139888).

Almost surely, 2^37664929012 is an apocalyptic number.

It is an amenable number.

37664929012 is a deficient number, since it is larger than the sum of its proper divisors (28276749644).

37664929012 is a wasteful number, since it uses less digits than its factorization.

37664929012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007558 (or 4007556 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 49.

The spelling of 37664929012 in words is "thirty-seven billion, six hundred sixty-four million, nine hundred twenty-nine thousand, twelve".