2629915625 has 12 divisors (see below), whose sum is σ = 3287188044. Its totient is φ = 2103930000.

The previous prime is 2629915621. The next prime is 2629915627. The reversal of 2629915625 is 5265199262.

2629915625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 2435619904 + 194295721 = 49352^2 + 13939^2 .

It is not a de Polignac number, because 2629915625 - 2² = 2629915621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2629915625.

It is not an unprimeable number, because it can be changed into a prime (2629915621) 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, 417662 + ... + 423911.

It is an arithmetic number, because the mean of its divisors is an integer number (273932337).

Almost surely, 2^2629915625 is an apocalyptic number.

2629915625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2629915625 is a deficient number, since it is larger than the sum of its proper divisors (657272419).

2629915625 is an frugal number, since it uses more digits than its factorization.

2629915625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841598 (or 841578 counting only the distinct ones).

The product of its digits is 583200, while the sum is 47.

The square root of 2629915625 is about 51282.7029806347. The cubic root of 2629915625 is about 1380.3226202582.

The spelling of 2629915625 in words is "two billion, six hundred twenty-nine million, nine hundred fifteen thousand, six hundred twenty-five".