64040063 has 2 divisors, whose sum is σ = 64040064. Its totient is φ = 64040062.

The previous prime is 64040047. The next prime is 64040077. The reversal of 64040063 is 36004046.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64040063 - 2⁴ = 64040047 is a prime.

It is a super-2 number, since 2×64040063² = 8202259338087938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64040663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32020031 + 32020032.

It is an arithmetic number, because the mean of its divisors is an integer number (32020032).

Almost surely, 2^64040063 is an apocalyptic number.

64040063 is a deficient number, since it is larger than the sum of its proper divisors (1).

64040063 is an equidigital number, since it uses as much as digits as its factorization.

64040063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 64040063 is about 8002.5035457662. The cubic root of 64040063 is about 400.0834471735.

The spelling of 64040063 in words is "sixty-four million, forty thousand, sixty-three".