264314213257 has 2 divisors, whose sum is σ = 264314213258. Its totient is φ = 264314213256.

The previous prime is 264314213213. The next prime is 264314213281. The reversal of 264314213257 is 752312413462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254309412681 + 10004800576 = 504291^2 + 100024^2 .

It is a cyclic number.

It is not a de Polignac number, because 264314213257 - 2²³ = 264305824649 is a prime.

It is not a weakly prime, because it can be changed into another prime (264314213287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132157106628 + 132157106629.

It is an arithmetic number, because the mean of its divisors is an integer number (132157106629).

Almost surely, 2^264314213257 is an apocalyptic number.

It is an amenable number.

264314213257 is a deficient number, since it is larger than the sum of its proper divisors (1).

264314213257 is an equidigital number, since it uses as much as digits as its factorization.

264314213257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The spelling of 264314213257 in words is "two hundred sixty-four billion, three hundred fourteen million, two hundred thirteen thousand, two hundred fifty-seven".