2625026389 has 16 divisors (see below), whose sum is σ = 2802539520. Its totient is φ = 2450165760.

The previous prime is 2625026387. The next prime is 2625026419. The reversal of 2625026389 is 9836205262.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2625026389 - 2¹ = 2625026387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625026381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1242444 + ... + 1244554.

It is an arithmetic number, because the mean of its divisors is an integer number (175158720).

Almost surely, 2^2625026389 is an apocalyptic number.

It is an amenable number.

2625026389 is a deficient number, since it is larger than the sum of its proper divisors (177513131).

2625026389 is a wasteful number, since it uses less digits than its factorization.

2625026389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 2625026389 is about 51235.0113594210. The cubic root of 2625026389 is about 1379.4667107306.

The spelling of 2625026389 in words is "two billion, six hundred twenty-five million, twenty-six thousand, three hundred eighty-nine".