64064311013 has 4 divisors (see below), whose sum is σ = 64071152460. Its totient is φ = 64057469568.

The previous prime is 64064310983. The next prime is 64064311019. The reversal of 64064311013 is 31011346046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31011346046 = 2 ⋅15505673023.

It can be written as a sum of positive squares in 2 ways, for example, as 27390912004 + 36673399009 = 165502^2 + 191503^2 .

It is a cyclic number.

It is not a de Polignac number, because 64064311013 - 2⁶ = 64064310949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64064311019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3406658 + ... + 3425411.

It is an arithmetic number, because the mean of its divisors is an integer number (16017788115).

Almost surely, 2^64064311013 is an apocalyptic number.

It is an amenable number.

64064311013 is a deficient number, since it is larger than the sum of its proper divisors (6841447).

64064311013 is an equidigital number, since it uses as much as digits as its factorization.

64064311013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841446.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 64064311013 its reverse (31011346046), we get a palindrome (95075657059).

The spelling of 64064311013 in words is "sixty-four billion, sixty-four million, three hundred eleven thousand, thirteen".