764533745231 has 2 divisors, whose sum is σ = 764533745232. Its totient is φ = 764533745230.

The previous prime is 764533745137. The next prime is 764533745243. The reversal of 764533745231 is 132547335467.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 764533745231 - 2³⁰ = 763460003407 is a prime.

It is a super-2 number, since 2×764533745231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 764533745231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764533745291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382266872615 + 382266872616.

It is an arithmetic number, because the mean of its divisors is an integer number (382266872616).

Almost surely, 2^764533745231 is an apocalyptic number.

764533745231 is a deficient number, since it is larger than the sum of its proper divisors (1).

764533745231 is an equidigital number, since it uses as much as digits as its factorization.

764533745231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 50.

The spelling of 764533745231 in words is "seven hundred sixty-four billion, five hundred thirty-three million, seven hundred forty-five thousand, two hundred thirty-one".