64958963 has 2 divisors, whose sum is σ = 64958964. Its totient is φ = 64958962.

The previous prime is 64958953. The next prime is 64958983. The reversal of 64958963 is 36985946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64958963 - 2⁴ = 64958947 is a prime.

It is not a weakly prime, because it can be changed into another prime (64958903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32479481 + 32479482.

It is an arithmetic number, because the mean of its divisors is an integer number (32479482).

Almost surely, 2^64958963 is an apocalyptic number.

64958963 is a deficient number, since it is larger than the sum of its proper divisors (1).

64958963 is an equidigital number, since it uses as much as digits as its factorization.

64958963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The square root of 64958963 is about 8059.7123397799. The cubic root of 64958963 is about 401.9879434187.

The spelling of 64958963 in words is "sixty-four million, nine hundred fifty-eight thousand, nine hundred sixty-three".