37621970913 has 8 divisors (see below), whose sum is σ = 50184705888. Its totient is φ = 25070274944.

The previous prime is 37621970891. The next prime is 37621970929. The reversal of 37621970913 is 31907912673.

It is a happy number.

37621970913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 37621970913 - 2¹² = 37621966817 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (37621970963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2751795 + ... + 2765432.

It is an arithmetic number, because the mean of its divisors is an integer number (6273088236).

Almost surely, 2^37621970913 is an apocalyptic number.

It is an amenable number.

37621970913 is a deficient number, since it is larger than the sum of its proper divisors (12562734975).

37621970913 is a wasteful number, since it uses less digits than its factorization.

37621970913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519503.

The product of its (nonzero) digits is 428652, while the sum is 48.

The spelling of 37621970913 in words is "thirty-seven billion, six hundred twenty-one million, nine hundred seventy thousand, nine hundred thirteen".