622573423765 has 4 divisors (see below), whose sum is σ = 747088108524. Its totient is φ = 498058739008.

The previous prime is 622573423763. The next prime is 622573423777. The reversal of 622573423765 is 567324375226.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 453897290961 + 168676132804 = 673719^2 + 410702^2 .

It is a cyclic number.

It is not a de Polignac number, because 622573423765 - 2¹ = 622573423763 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 (622573423763) 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, 62257342372 + ... + 62257342381.

It is an arithmetic number, because the mean of its divisors is an integer number (186772027131).

Almost surely, 2^622573423765 is an apocalyptic number.

It is an amenable number.

622573423765 is a deficient number, since it is larger than the sum of its proper divisors (124514684759).

622573423765 is a wasteful number, since it uses less digits than its factorization.

622573423765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124514684758.

The product of its digits is 12700800, while the sum is 52.

The spelling of 622573423765 in words is "six hundred twenty-two billion, five hundred seventy-three million, four hundred twenty-three thousand, seven hundred sixty-five".