373902149112991 has 2 divisors, whose sum is σ = 373902149112992. Its totient is φ = 373902149112990.

The previous prime is 373902149112953. The next prime is 373902149113001. The reversal of 373902149112991 is 199211941209373.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 373902149112991 - 2³⁵ = 373867789374623 is a prime.

It is a super-2 number, since 2×373902149112991² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373902149112901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186951074556495 + 186951074556496.

It is an arithmetic number, because the mean of its divisors is an integer number (186951074556496).

Almost surely, 2^{373902149112991} is an apocalyptic number.

373902149112991 is a deficient number, since it is larger than the sum of its proper divisors (1).

373902149112991 is an equidigital number, since it uses as much as digits as its factorization.

373902149112991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The spelling of 373902149112991 in words is "three hundred seventy-three trillion, nine hundred two billion, one hundred forty-nine million, one hundred twelve thousand, nine hundred ninety-one".