37921349512 has 8 divisors (see below), whose sum is σ = 71102530350. Its totient is φ = 18960674752.

The previous prime is 37921349503. The next prime is 37921349513. The reversal of 37921349512 is 21594312973.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 27491629636 + 10429719876 = 165806^2 + 102126^2 .

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

It is a super-2 number, since 2×37921349512² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (37921349513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2370084337 + ... + 2370084352.

Almost surely, 2^37921349512 is an apocalyptic number.

It is an amenable number.

37921349512 is a deficient number, since it is larger than the sum of its proper divisors (33181180838).

37921349512 is a wasteful number, since it uses less digits than its factorization.

37921349512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740168695 (or 4740168691 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The spelling of 37921349512 in words is "thirty-seven billion, nine hundred twenty-one million, three hundred forty-nine thousand, five hundred twelve".