64370063 has 2 divisors, whose sum is σ = 64370064. Its totient is φ = 64370062.

The previous prime is 64370057. The next prime is 64370083. The reversal of 64370063 is 36007346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64370063 - 2⁶ = 64369999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64370083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32185031 + 32185032.

It is an arithmetic number, because the mean of its divisors is an integer number (32185032).

Almost surely, 2^64370063 is an apocalyptic number.

64370063 is a deficient number, since it is larger than the sum of its proper divisors (1).

64370063 is an equidigital number, since it uses as much as digits as its factorization.

64370063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 64370063 is about 8023.0955995800. The cubic root of 64370063 is about 400.7694833725.

The spelling of 64370063 in words is "sixty-four million, three hundred seventy thousand, sixty-three".