64012693 has 2 divisors, whose sum is σ = 64012694. Its totient is φ = 64012692.

The previous prime is 64012687. The next prime is 64012717. The reversal of 64012693 is 39621046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62615569 + 1397124 = 7913^2 + 1182^2 .

It is a cyclic number.

It is not a de Polignac number, because 64012693 - 2⁵ = 64012661 is a prime.

It is a super-2 number, since 2×64012693² = 8195249730224498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64012493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32006346 + 32006347.

It is an arithmetic number, because the mean of its divisors is an integer number (32006347).

Almost surely, 2^64012693 is an apocalyptic number.

It is an amenable number.

64012693 is a deficient number, since it is larger than the sum of its proper divisors (1).

64012693 is an equidigital number, since it uses as much as digits as its factorization.

64012693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 64012693 is about 8000.7932731699. The cubic root of 64012693 is about 400.0264420020.

The spelling of 64012693 in words is "sixty-four million, twelve thousand, six hundred ninety-three".