190272744731 has 2 divisors, whose sum is σ = 190272744732. Its totient is φ = 190272744730.

The previous prime is 190272744709. The next prime is 190272744797. The reversal of 190272744731 is 137447272091.

190272744731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190272744731 is a prime.

It is a super-2 number, since 2×190272744731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190272744331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95136372365 + 95136372366.

It is an arithmetic number, because the mean of its divisors is an integer number (95136372366).

Almost surely, 2^190272744731 is an apocalyptic number.

190272744731 is a deficient number, since it is larger than the sum of its proper divisors (1).

190272744731 is an equidigital number, since it uses as much as digits as its factorization.

190272744731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 190272744731 in words is "one hundred ninety billion, two hundred seventy-two million, seven hundred forty-four thousand, seven hundred thirty-one".