64018099 has 4 divisors (see below), whose sum is σ = 65506936. Its totient is φ = 62529264.

The previous prime is 64018093. The next prime is 64018121. The reversal of 64018099 is 99081046.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64018099 - 2³ = 64018091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64018091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744354 + ... + 744439.

It is an arithmetic number, because the mean of its divisors is an integer number (16376734).

Almost surely, 2^64018099 is an apocalyptic number.

64018099 is a deficient number, since it is larger than the sum of its proper divisors (1488837).

64018099 is a wasteful number, since it uses less digits than its factorization.

64018099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488836.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 64018099 is about 8001.1311075372. The cubic root of 64018099 is about 400.0377026962.

The spelling of 64018099 in words is "sixty-four million, eighteen thousand, ninety-nine".