38972338073 has 2 divisors, whose sum is σ = 38972338074. Its totient is φ = 38972338072.

The previous prime is 38972338043. The next prime is 38972338117. The reversal of 38972338073 is 37083327983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24357220624 + 14615117449 = 156068^2 + 120893^2 .

It is a cyclic number.

It is not a de Polignac number, because 38972338073 - 2¹⁰ = 38972337049 is a prime.

It is not a weakly prime, because it can be changed into another prime (38972338043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19486169036 + 19486169037.

It is an arithmetic number, because the mean of its divisors is an integer number (19486169037).

Almost surely, 2^38972338073 is an apocalyptic number.

It is an amenable number.

38972338073 is a deficient number, since it is larger than the sum of its proper divisors (1).

38972338073 is an equidigital number, since it uses as much as digits as its factorization.

38972338073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 38972338073 in words is "thirty-eight billion, nine hundred seventy-two million, three hundred thirty-eight thousand, seventy-three".