622673620645 has 48 divisors (see below), whose sum is σ = 800421906816. Its totient is φ = 464073948800.

The previous prime is 622673620633. The next prime is 622673620651. The reversal of 622673620645 is 546026376226.

It is not a de Polignac number, because 622673620645 - 2⁹ = 622673620133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48109875 + ... + 48122815.

It is an arithmetic number, because the mean of its divisors is an integer number (16675456392).

Almost surely, 2^622673620645 is an apocalyptic number.

It is an amenable number.

622673620645 is a deficient number, since it is larger than the sum of its proper divisors (177748286171).

622673620645 is a wasteful number, since it uses less digits than its factorization.

622673620645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194 (or 13123 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 622673620645 in words is "six hundred twenty-two billion, six hundred seventy-three million, six hundred twenty thousand, six hundred forty-five".