2629868425 has 12 divisors (see below), whose sum is σ = 3349174156. Its totient is φ = 2047032000.

The previous prime is 2629868411. The next prime is 2629868429. The reversal of 2629868425 is 5248689262.

It can be written as a sum of positive squares in 6 ways, for example, as 81234169 + 2548634256 = 9013^2 + 50484^2 .

It is not a de Polignac number, because 2629868425 - 2¹⁷ = 2629737353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2629868429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1420626 + ... + 1422475.

Almost surely, 2^2629868425 is an apocalyptic number.

2629868425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2629868425 is a deficient number, since it is larger than the sum of its proper divisors (719305731).

2629868425 is a wasteful number, since it uses less digits than its factorization.

2629868425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843148 (or 2843143 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The square root of 2629868425 is about 51282.2427844181. The cubic root of 2629868425 is about 1380.3143625006.

The spelling of 2629868425 in words is "two billion, six hundred twenty-nine million, eight hundred sixty-eight thousand, four hundred twenty-five".