2623551868 has 24 divisors (see below), whose sum is σ = 5251018752. Its totient is φ = 1123540464.

The previous prime is 2623551851. The next prime is 2623551899. The reversal of 2623551868 is 8681553262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005 + ... + 72547.

It is an arithmetic number, because the mean of its divisors is an integer number (218792448).

Almost surely, 2^2623551868 is an apocalyptic number.

2623551868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2623551868 is an abundant number, since it is smaller than the sum of its proper divisors (2627466884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2623551868 is a wasteful number, since it uses less digits than its factorization.

2623551868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69921 (or 69919 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 2623551868 is about 51220.6195589237. The cubic root of 2623551868 is about 1379.2083725523.

The spelling of 2623551868 in words is "two billion, six hundred twenty-three million, five hundred fifty-one thousand, eight hundred sixty-eight".