64425099 has 8 divisors (see below), whose sum is σ = 88671232. Its totient is φ = 41564520.

The previous prime is 64425091. The next prime is 64425131. The reversal of 64425099 is 99052446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64425099 - 2³ = 64425091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64425091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346279 + ... + 346464.

It is an arithmetic number, because the mean of its divisors is an integer number (11083904).

Almost surely, 2^64425099 is an apocalyptic number.

64425099 is a deficient number, since it is larger than the sum of its proper divisors (24246133).

64425099 is a wasteful number, since it uses less digits than its factorization.

64425099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692777.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 64425099 is about 8026.5247149685. The cubic root of 64425099 is about 400.8836693005.

The spelling of 64425099 in words is "sixty-four million, four hundred twenty-five thousand, ninety-nine".