2506631634 has 24 divisors (see below), whose sum is σ = 5848807692. Its totient is φ = 771271200.

The previous prime is 2506631591. The next prime is 2506631651. The reversal of 2506631634 is 4361366052.

2506631634 is a `hidden beast` number, since 250 + 66 + 316 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2011791609 + 494840025 = 44853^2 + 22245^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5355817 + ... + 5356284.

Almost surely, 2^2506631634 is an apocalyptic number.

2506631634 is an abundant number, since it is smaller than the sum of its proper divisors (3342176058).

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

2506631634 is a wasteful number, since it uses less digits than its factorization.

2506631634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10712122 (or 10712119 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2506631634 is about 50066.2724196639. The cubic root of 2506631634 is about 1358.4078170137.

Adding to 2506631634 its reverse (4361366052), we get a palindrome (6867997686).

The spelling of 2506631634 in words is "two billion, five hundred six million, six hundred thirty-one thousand, six hundred thirty-four".