64512429 has 16 divisors (see below), whose sum is σ = 92083200. Its totient is φ = 40052016.

The previous prime is 64512421. The next prime is 64512439. The reversal of 64512429 is 92421546.

It is not a de Polignac number, because 64512429 - 2³ = 64512421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64512429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64512421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6229 + ... + 12954.

It is an arithmetic number, because the mean of its divisors is an integer number (5755200).

Almost surely, 2^64512429 is an apocalyptic number.

It is an amenable number.

64512429 is a deficient number, since it is larger than the sum of its proper divisors (27570771).

64512429 is a wasteful number, since it uses less digits than its factorization.

64512429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19264.

The product of its digits is 17280, while the sum is 33.

The square root of 64512429 is about 8031.9629605720. The cubic root of 64512429 is about 401.0647238101.

The spelling of 64512429 in words is "sixty-four million, five hundred twelve thousand, four hundred twenty-nine".