37972521069 has 8 divisors (see below), whose sum is σ = 57862889280. Its totient is φ = 21698583456.

The previous prime is 37972521043. The next prime is 37972521133. The reversal of 37972521069 is 96012527973.

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

It is not a de Polignac number, because 37972521069 - 2⁷ = 37972520941 is a prime.

It is a super-2 number, since 2×37972521069² (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 (37972521569) 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, 904107624 + ... + 904107665.

It is an arithmetic number, because the mean of its divisors is an integer number (7232861160).

Almost surely, 2^37972521069 is an apocalyptic number.

It is an amenable number.

37972521069 is a deficient number, since it is larger than the sum of its proper divisors (19890368211).

37972521069 is a wasteful number, since it uses less digits than its factorization.

37972521069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808215299.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 37972521069 in words is "thirty-seven billion, nine hundred seventy-two million, five hundred twenty-one thousand, sixty-nine".