2625786849 has 32 divisors (see below), whose sum is σ = 4059037696. Its totient is φ = 1478917440.

The previous prime is 2625786773. The next prime is 2625786851. The reversal of 2625786849 is 9486875262.

It is a happy number.

It is not a de Polignac number, because 2625786849 - 2¹⁷ = 2625655777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2625786899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 415584 + ... + 421854.

It is an arithmetic number, because the mean of its divisors is an integer number (126844928).

Almost surely, 2^2625786849 is an apocalyptic number.

It is an amenable number.

2625786849 is a deficient number, since it is larger than the sum of its proper divisors (1433250847).

2625786849 is a wasteful number, since it uses less digits than its factorization.

2625786849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6565.

The product of its digits is 11612160, while the sum is 57.

The square root of 2625786849 is about 51242.4321144108. The cubic root of 2625786849 is about 1379.5999065943.

The spelling of 2625786849 in words is "two billion, six hundred twenty-five million, seven hundred eighty-six thousand, eight hundred forty-nine".