38980208591 has 2 divisors, whose sum is σ = 38980208592. Its totient is φ = 38980208590.

The previous prime is 38980208569. The next prime is 38980208609. The reversal of 38980208591 is 19580208983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38980208591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38980208521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19490104295 + 19490104296.

It is an arithmetic number, because the mean of its divisors is an integer number (19490104296).

Almost surely, 2^38980208591 is an apocalyptic number.

38980208591 is a deficient number, since it is larger than the sum of its proper divisors (1).

38980208591 is an equidigital number, since it uses as much as digits as its factorization.

38980208591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 38980208591 in words is "thirty-eight billion, nine hundred eighty million, two hundred eight thousand, five hundred ninety-one".