64906004699 has 2 divisors, whose sum is σ = 64906004700. Its totient is φ = 64906004698.

The previous prime is 64906004689. The next prime is 64906004701. The reversal of 64906004699 is 99640060946.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64906004699 - 2¹² = 64906000603 is a prime.

It is a super-2 number, since 2×64906004699² (a number of 22 digits) contains 22 as substring.

Together with 64906004701, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64906004699.

It is not a weakly prime, because it can be changed into another prime (64906004629) 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, 32453002349 + 32453002350.

It is an arithmetic number, because the mean of its divisors is an integer number (32453002350).

Almost surely, 2^64906004699 is an apocalyptic number.

64906004699 is a deficient number, since it is larger than the sum of its proper divisors (1).

64906004699 is an equidigital number, since it uses as much as digits as its factorization.

64906004699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 53.

The spelling of 64906004699 in words is "sixty-four billion, nine hundred six million, four thousand, six hundred ninety-nine".