64465049 has 12 divisors (see below), whose sum is σ = 71200752. Its totient is φ = 58321560.

The previous prime is 64465001. The next prime is 64465069. The reversal of 64465049 is 94056446.

It is a happy number.

It is not a de Polignac number, because 64465049 - 2²⁴ = 47687833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64465069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26294 + ... + 28640.

It is an arithmetic number, because the mean of its divisors is an integer number (5933396).

Almost surely, 2^64465049 is an apocalyptic number.

It is an amenable number.

64465049 is a deficient number, since it is larger than the sum of its proper divisors (6735703).

64465049 is a wasteful number, since it uses less digits than its factorization.

64465049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 2585 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 64465049 is about 8029.0129530348. The cubic root of 64465049 is about 400.9665148251.

The spelling of 64465049 in words is "sixty-four million, four hundred sixty-five thousand, forty-nine".