64099123799 has 2 divisors, whose sum is σ = 64099123800. Its totient is φ = 64099123798.

The previous prime is 64099123769. The next prime is 64099123817. The reversal of 64099123799 is 99732199046.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64099123799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64099123769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32049561899 + 32049561900.

It is an arithmetic number, because the mean of its divisors is an integer number (32049561900).

Almost surely, 2^64099123799 is an apocalyptic number.

64099123799 is a deficient number, since it is larger than the sum of its proper divisors (1).

64099123799 is an equidigital number, since it uses as much as digits as its factorization.

64099123799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 59.

The spelling of 64099123799 in words is "sixty-four billion, ninety-nine million, one hundred twenty-three thousand, seven hundred ninety-nine".