64311209299 has 2 divisors, whose sum is σ = 64311209300. Its totient is φ = 64311209298.

The previous prime is 64311209257. The next prime is 64311209327. The reversal of 64311209299 is 99290211346.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64311209299 is a prime.

It is not a weakly prime, because it can be changed into another prime (64311200299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32155604649 + 32155604650.

It is an arithmetic number, because the mean of its divisors is an integer number (32155604650).

Almost surely, 2^64311209299 is an apocalyptic number.

64311209299 is a deficient number, since it is larger than the sum of its proper divisors (1).

64311209299 is an equidigital number, since it uses as much as digits as its factorization.

64311209299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 64311209299 in words is "sixty-four billion, three hundred eleven million, two hundred nine thousand, two hundred ninety-nine".