64242963 has 10 divisors (see below), whose sum is σ = 95968004. Its totient is φ = 42828588.

The previous prime is 64242953. The next prime is 64242991. The reversal of 64242963 is 36924246.

64242963 is a `hidden beast` number, since 642 + 4 + 2 + 9 + 6 + 3 = 666.

It is not a de Polignac number, because 64242963 - 2¹⁴ = 64226579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64242953) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 396481 + ... + 396642.

Almost surely, 2^64242963 is an apocalyptic number.

64242963 is a deficient number, since it is larger than the sum of its proper divisors (31725041).

64242963 is an equidigital number, since it uses as much as digits as its factorization.

64242963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793135 (or 793126 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 64242963 is about 8015.1708029212. The cubic root of 64242963 is about 400.5055337366.

The spelling of 64242963 in words is "sixty-four million, two hundred forty-two thousand, nine hundred sixty-three".