622628732933 has 4 divisors (see below), whose sum is σ = 622707764640. Its totient is φ = 622549701228.

The previous prime is 622628732893. The next prime is 622628732963. The reversal of 622628732933 is 339237826226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622628732933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622628732963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39504035 + ... + 39519792.

It is an arithmetic number, because the mean of its divisors is an integer number (155676941160).

Almost surely, 2^622628732933 is an apocalyptic number.

It is an amenable number.

622628732933 is a deficient number, since it is larger than the sum of its proper divisors (79031707).

622628732933 is an equidigital number, since it uses as much as digits as its factorization.

622628732933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79031706.

The product of its digits is 7838208, while the sum is 53.

The spelling of 622628732933 in words is "six hundred twenty-two billion, six hundred twenty-eight million, seven hundred thirty-two thousand, nine hundred thirty-three".