190794746431 has 2 divisors, whose sum is σ = 190794746432. Its totient is φ = 190794746430.

The previous prime is 190794746393. The next prime is 190794746449. The reversal of 190794746431 is 134647497091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190794746431 - 2¹¹ = 190794744383 is a prime.

It is a super-2 number, since 2×190794746431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190794747431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95397373215 + 95397373216.

It is an arithmetic number, because the mean of its divisors is an integer number (95397373216).

Almost surely, 2^190794746431 is an apocalyptic number.

190794746431 is a deficient number, since it is larger than the sum of its proper divisors (1).

190794746431 is an equidigital number, since it uses as much as digits as its factorization.

190794746431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 190794746431 in words is "one hundred ninety billion, seven hundred ninety-four million, seven hundred forty-six thousand, four hundred thirty-one".