49561000130 has 128 divisors (see below), whose sum is σ = 95937566400. Its totient is φ = 18408259584.

The previous prime is 49561000123. The next prime is 49561000141. The reversal of 49561000130 is 3100016594.

It is a Cunningham number, because it is equal to 222623²+1.

It can be written as a sum of positive squares in 32 ways, for example, as 1 + 49561000129 = 1^2 + 222623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49561000093 and 49561000102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 127405976 + ... + 127406364.

Almost surely, 2^49561000130 is an apocalyptic number.

49561000130 is a deficient number, since it is larger than the sum of its proper divisors (46376566270).

49561000130 is a wasteful number, since it uses less digits than its factorization.

49561000130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 49561000130 in words is "forty-nine billion, five hundred sixty-one million, one hundred thirty", and thus it is an aban number.