64013683 has 2 divisors, whose sum is σ = 64013684. Its totient is φ = 64013682.

The previous prime is 64013659. The next prime is 64013689. The reversal of 64013683 is 38631046.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64013683 is a prime.

It is a super-2 number, since 2×64013683² = 8195503222448978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64013689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32006841 + 32006842.

It is an arithmetic number, because the mean of its divisors is an integer number (32006842).

Almost surely, 2^64013683 is an apocalyptic number.

64013683 is a deficient number, since it is larger than the sum of its proper divisors (1).

64013683 is an equidigital number, since it uses as much as digits as its factorization.

64013683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 64013683 is about 8000.8551417958. The cubic root of 64013683 is about 400.0285042187.

The spelling of 64013683 in words is "sixty-four million, thirteen thousand, six hundred eighty-three".