64099603 has 2 divisors, whose sum is σ = 64099604. Its totient is φ = 64099602.

The previous prime is 64099591. The next prime is 64099667. The reversal of 64099603 is 30699046.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64099603 is a prime.

It is not a weakly prime, because it can be changed into another prime (64090603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32049801 + 32049802.

It is an arithmetic number, because the mean of its divisors is an integer number (32049802).

Almost surely, 2^64099603 is an apocalyptic number.

64099603 is a deficient number, since it is larger than the sum of its proper divisors (1).

64099603 is an equidigital number, since it uses as much as digits as its factorization.

64099603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 64099603 is about 8006.2227673229. Note that the first 3 decimals coincide. The cubic root of 64099603 is about 400.2073986959.

The spelling of 64099603 in words is "sixty-four million, ninety-nine thousand, six hundred three".