38961475291199 has 2 divisors, whose sum is σ = 38961475291200. Its totient is φ = 38961475291198.

The previous prime is 38961475291033. The next prime is 38961475291267. The reversal of 38961475291199 is 99119257416983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38961475291199 - 2⁸ = 38961475290943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38961475291399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19480737645599 + 19480737645600.

It is an arithmetic number, because the mean of its divisors is an integer number (19480737645600).

Almost surely, 2^{38961475291199} is an apocalyptic number.

38961475291199 is a deficient number, since it is larger than the sum of its proper divisors (1).

38961475291199 is an equidigital number, since it uses as much as digits as its factorization.

38961475291199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 264539520, while the sum is 74.

The spelling of 38961475291199 in words is "thirty-eight trillion, nine hundred sixty-one billion, four hundred seventy-five million, two hundred ninety-one thousand, one hundred ninety-nine".