2631203874 has 48 divisors (see below), whose sum is σ = 6160590072. Its totient is φ = 806817024.

The previous prime is 2631203857. The next prime is 2631203879. The reversal of 2631203874 is 4783021362.

It is a happy number.

2631203874 is a `hidden beast` number, since 263 + 12 + 0 + 387 + 4 = 666.

2631203874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1572677649 + 1058526225 = 39657^2 + 32535^2 .

It is not an unprimeable number, because it can be changed into a prime (2631203879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49374 + ... + 87750.

Almost surely, 2^2631203874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2631203874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3080295036).

2631203874 is an abundant number, since it is smaller than the sum of its proper divisors (3529386198).

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

2631203874 is a wasteful number, since it uses less digits than its factorization.

2631203874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38691 (or 38688 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2631203874 is about 51295.2617110002. The cubic root of 2631203874 is about 1380.5479644924.

The spelling of 2631203874 in words is "two billion, six hundred thirty-one million, two hundred three thousand, eight hundred seventy-four".