2555349631 has 4 divisors (see below), whose sum is σ = 2556544192. Its totient is φ = 2554155072.

The previous prime is 2555349617. The next prime is 2555349659. The reversal of 2555349631 is 1369435552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2555349631 - 2¹⁷ = 2555218559 is a prime.

It is a super-2 number, since 2×2555349631² = 13059623473303672322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2555349031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594066 + ... + 598351.

It is an arithmetic number, because the mean of its divisors is an integer number (639136048).

Almost surely, 2^2555349631 is an apocalyptic number.

2555349631 is a deficient number, since it is larger than the sum of its proper divisors (1194561).

2555349631 is a wasteful number, since it uses less digits than its factorization.

2555349631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194560.

The product of its digits is 486000, while the sum is 43.

The square root of 2555349631 is about 50550.4661798484. The cubic root of 2555349631 is about 1367.1519199372.

The spelling of 2555349631 in words is "two billion, five hundred fifty-five million, three hundred forty-nine thousand, six hundred thirty-one".