622739966465 has 8 divisors (see below), whose sum is σ = 771394023168. Its totient is φ = 482121264240.

The previous prime is 622739966413. The next prime is 622739966477. The reversal of 622739966465 is 564669937226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 622739966465 - 2⁸ = 622739966209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008838447 + ... + 2008838756.

It is an arithmetic number, because the mean of its divisors is an integer number (96424252896).

Almost surely, 2^622739966465 is an apocalyptic number.

It is an amenable number.

622739966465 is a deficient number, since it is larger than the sum of its proper divisors (148654056703).

622739966465 is a wasteful number, since it uses less digits than its factorization.

622739966465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017677239.

The product of its digits is 176359680, while the sum is 65.

The spelling of 622739966465 in words is "six hundred twenty-two billion, seven hundred thirty-nine million, nine hundred sixty-six thousand, four hundred sixty-five".