2551063291630 has 32 divisors (see below), whose sum is σ = 5251250866176. Its totient is φ = 874092065184.

The previous prime is 2551063291577. The next prime is 2551063291631. The reversal of 2551063291630 is 361923601552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2551063291631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11518824 + ... + 11738203.

It is an arithmetic number, because the mean of its divisors is an integer number (164101589568).

Almost surely, 2^{2551063291630} is an apocalyptic number.

2551063291630 is an abundant number, since it is smaller than the sum of its proper divisors (2700187574546).

2551063291630 is a wasteful number, since it uses less digits than its factorization.

2551063291630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23258608.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 2551063291630 in words is "two trillion, five hundred fifty-one billion, sixty-three million, two hundred ninety-one thousand, six hundred thirty".