624822268849 has 9 divisors (see below), whose sum is σ = 659454312153. Its totient is φ = 591922658052.

The previous prime is 624822268831. The next prime is 624822268871. The reversal of 624822268849 is 948862228426.

The square root of 624822268849 is 790457.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 624822268849 - 2²³ = 624813880241 is a prime.

It is a super-2 number, since 2×624822268849² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (624822262849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14997882 + ... + 15039484.

Almost surely, 2^624822268849 is an apocalyptic number.

624822268849 is the 790457-th square number.

624822268849 is the 395229-th centered octagonal number.

It is an amenable number.

624822268849 is a deficient number, since it is larger than the sum of its proper divisors (34632043304).

624822268849 is an frugal number, since it uses more digits than its factorization.

624822268849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83244 (or 41622 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 61.

The spelling of 624822268849 in words is "six hundred twenty-four billion, eight hundred twenty-two million, two hundred sixty-eight thousand, eight hundred forty-nine".