2689997625 has 48 divisors (see below), whose sum is σ = 5541923712. Its totient is φ = 1229709600.

The previous prime is 2689997551. The next prime is 2689997633. The reversal of 2689997625 is 5267999862.

It is not a de Polignac number, because 2689997625 - 2⁸ = 2689997369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 162919 + ... + 178668.

It is an arithmetic number, because the mean of its divisors is an integer number (115456744).

Almost surely, 2^2689997625 is an apocalyptic number.

2689997625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2689997625 is an abundant number, since it is smaller than the sum of its proper divisors (2851926087).

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

2689997625 is a wasteful number, since it uses less digits than its factorization.

2689997625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341615 (or 341602 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The square root of 2689997625 is about 51865.1870236674. The cubic root of 2689997625 is about 1390.7550070771.

The spelling of 2689997625 in words is "two billion, six hundred eighty-nine million, nine hundred ninety-seven thousand, six hundred twenty-five".