38380970157 has 4 divisors (see below), whose sum is σ = 51174626880. Its totient is φ = 25587313436.

The previous prime is 38380970123. The next prime is 38380970171. The reversal of 38380970157 is 75107908383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38380970157 - 2⁸ = 38380969901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38380970107) 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, 6396828357 + ... + 6396828362.

It is an arithmetic number, because the mean of its divisors is an integer number (12793656720).

Almost surely, 2^38380970157 is an apocalyptic number.

It is an amenable number.

38380970157 is a deficient number, since it is larger than the sum of its proper divisors (12793656723).

38380970157 is a wasteful number, since it uses less digits than its factorization.

38380970157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793656722.

The product of its (nonzero) digits is 1270080, while the sum is 51.

The spelling of 38380970157 in words is "thirty-eight billion, three hundred eighty million, nine hundred seventy thousand, one hundred fifty-seven".