64612099 has 2 divisors, whose sum is σ = 64612100. Its totient is φ = 64612098.

The previous prime is 64612073. The next prime is 64612117. The reversal of 64612099 is 99021646.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64612099 is a prime.

It is not a weakly prime, because it can be changed into another prime (64612069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32306049 + 32306050.

It is an arithmetic number, because the mean of its divisors is an integer number (32306050).

Almost surely, 2^64612099 is an apocalyptic number.

64612099 is a deficient number, since it is larger than the sum of its proper divisors (1).

64612099 is an equidigital number, since it uses as much as digits as its factorization.

64612099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 64612099 is about 8038.1651513265. The cubic root of 64612099 is about 401.2711623366.

The spelling of 64612099 in words is "sixty-four million, six hundred twelve thousand, ninety-nine".