64500429 has 16 divisors (see below), whose sum is σ = 101457920. Its totient is φ = 35668080.

The previous prime is 64500409. The next prime is 64500463. The reversal of 64500429 is 92400546.

It is not a de Polignac number, because 64500429 - 2⁸ = 64500173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64500396 and 64500405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64500409) 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, 48889 + ... + 50190.

It is an arithmetic number, because the mean of its divisors is an integer number (6341120).

Almost surely, 2^64500429 is an apocalyptic number.

It is an amenable number.

64500429 is a deficient number, since it is larger than the sum of its proper divisors (36957491).

64500429 is a wasteful number, since it uses less digits than its factorization.

64500429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99120.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 64500429 is about 8031.2159104335. The cubic root of 64500429 is about 401.0398548290.

The spelling of 64500429 in words is "sixty-four million, five hundred thousand, four hundred twenty-nine".