38993298037 has 4 divisors (see below), whose sum is σ = 39008338540. Its totient is φ = 38978257536.

The previous prime is 38993297977. The next prime is 38993298053. The reversal of 38993298037 is 73089239983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73089239983 = 293 ⋅249451331.

It can be written as a sum of positive squares in 2 ways, for example, as 32964396721 + 6028901316 = 181561^2 + 77646^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38993298037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38993298737) 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, 7516362 + ... + 7521547.

It is an arithmetic number, because the mean of its divisors is an integer number (9752084635).

Almost surely, 2^38993298037 is an apocalyptic number.

It is an amenable number.

38993298037 is a deficient number, since it is larger than the sum of its proper divisors (15040503).

38993298037 is a wasteful number, since it uses less digits than its factorization.

38993298037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040502.

The product of its (nonzero) digits is 17635968, while the sum is 61.

The spelling of 38993298037 in words is "thirty-eight billion, nine hundred ninety-three million, two hundred ninety-eight thousand, thirty-seven".