64289199313 has 2 divisors, whose sum is σ = 64289199314. Its totient is φ = 64289199312.

The previous prime is 64289199257. The next prime is 64289199329. The reversal of 64289199313 is 31399198246.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64268841169 + 20358144 = 253513^2 + 4512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64289199313 is a prime.

It is a super-2 number, since 2×64289199313² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64289199343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32144599656 + 32144599657.

It is an arithmetic number, because the mean of its divisors is an integer number (32144599657).

Almost surely, 2^64289199313 is an apocalyptic number.

It is an amenable number.

64289199313 is a deficient number, since it is larger than the sum of its proper divisors (1).

64289199313 is an equidigital number, since it uses as much as digits as its factorization.

64289199313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 55.

The spelling of 64289199313 in words is "sixty-four billion, two hundred eighty-nine million, one hundred ninety-nine thousand, three hundred thirteen".