64300399 has 2 divisors, whose sum is σ = 64300400. Its totient is φ = 64300398.

The previous prime is 64300393. The next prime is 64300421. The reversal of 64300399 is 99300346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64300399 - 2⁵ = 64300367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64300393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32150199 + 32150200.

It is an arithmetic number, because the mean of its divisors is an integer number (32150200).

Almost surely, 2^64300399 is an apocalyptic number.

64300399 is a deficient number, since it is larger than the sum of its proper divisors (1).

64300399 is an equidigital number, since it uses as much as digits as its factorization.

64300399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 64300399 is about 8018.7529579106. The cubic root of 64300399 is about 400.6248546334.

The spelling of 64300399 in words is "sixty-four million, three hundred thousand, three hundred ninety-nine".