64310609269 has 2 divisors, whose sum is σ = 64310609270. Its totient is φ = 64310609268.

The previous prime is 64310609243. The next prime is 64310609287. The reversal of 64310609269 is 96290601346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38224160100 + 26086449169 = 195510^2 + 161513^2 .

It is a cyclic number.

It is not a de Polignac number, because 64310609269 - 2²¹ = 64308512117 is a prime.

It is a super-2 number, since 2×64310609269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64310609219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32155304634 + 32155304635.

It is an arithmetic number, because the mean of its divisors is an integer number (32155304635).

Almost surely, 2^64310609269 is an apocalyptic number.

It is an amenable number.

64310609269 is a deficient number, since it is larger than the sum of its proper divisors (1).

64310609269 is an equidigital number, since it uses as much as digits as its factorization.

64310609269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 64310609269 in words is "sixty-four billion, three hundred ten million, six hundred nine thousand, two hundred sixty-nine".