2625642663 has 8 divisors (see below), whose sum is σ = 4000979328. Its totient is φ = 1500367224.

The previous prime is 2625642659. The next prime is 2625642689. The reversal of 2625642663 is 3662465262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2625642663 - 2² = 2625642659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2625646663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62515281 + ... + 62515322.

It is an arithmetic number, because the mean of its divisors is an integer number (500122416).

Almost surely, 2^2625642663 is an apocalyptic number.

2625642663 is a deficient number, since it is larger than the sum of its proper divisors (1375336665).

2625642663 is a wasteful number, since it uses less digits than its factorization.

2625642663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125030613.

The product of its digits is 622080, while the sum is 42.

The square root of 2625642663 is about 51241.0251946621. The cubic root of 2625642663 is about 1379.5746541469.

The spelling of 2625642663 in words is "two billion, six hundred twenty-five million, six hundred forty-two thousand, six hundred sixty-three".