622912973493436 has 6 divisors (see below), whose sum is σ = 1090097703613520. Its totient is φ = 311456486746716.

The previous prime is 622912973493389. The next prime is 622912973493451. The reversal of 622912973493436 is 634394379219226.

It is a congruent number.

It is an unprimeable number.

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, 77864121686676 + ... + 77864121686683.

Almost surely, 2^{622912973493436} is an apocalyptic number.

It is an amenable number.

622912973493436 is a deficient number, since it is larger than the sum of its proper divisors (467184730120084).

622912973493436 is a wasteful number, since it uses less digits than its factorization.

622912973493436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155728243373363 (or 155728243373361 counting only the distinct ones).

The product of its digits is 634894848, while the sum is 70.

The spelling of 622912973493436 in words is "six hundred twenty-two trillion, nine hundred twelve billion, nine hundred seventy-three million, four hundred ninety-three thousand, four hundred thirty-six".