234612564457 has 2 divisors, whose sum is σ = 234612564458. Its totient is φ = 234612564456.

The previous prime is 234612564451. The next prime is 234612564497. The reversal of 234612564457 is 754465216432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 176442842601 + 58169721856 = 420051^2 + 241184^2 .

It is a cyclic number.

It is not a de Polignac number, because 234612564457 - 2³⁵ = 200252826089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 234612564457.

It is not a weakly prime, because it can be changed into another prime (234612564451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117306282228 + 117306282229.

It is an arithmetic number, because the mean of its divisors is an integer number (117306282229).

Almost surely, 2^234612564457 is an apocalyptic number.

It is an amenable number.

234612564457 is a deficient number, since it is larger than the sum of its proper divisors (1).

234612564457 is an equidigital number, since it uses as much as digits as its factorization.

234612564457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 49.

The spelling of 234612564457 in words is "two hundred thirty-four billion, six hundred twelve million, five hundred sixty-four thousand, four hundred fifty-seven".