8113487049 has 24 divisors (see below), whose sum is σ = 11888556680. Its totient is φ = 5331474432.

The previous prime is 8113487047. The next prime is 8113487069. The reversal of 8113487049 is 9407843118.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3701870649 + 4411616400 = 60843^2 + 66420^2 .

It is not a de Polignac number, because 8113487049 - 2¹ = 8113487047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8113486995 and 8113487013.

It is not an unprimeable number, because it can be changed into a prime (8113487047) 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, 167907 + ... + 210759.

Almost surely, 2^8113487049 is an apocalyptic number.

It is an amenable number.

8113487049 is a deficient number, since it is larger than the sum of its proper divisors (3775069631).

8113487049 is a wasteful number, since it uses less digits than its factorization.

8113487049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43161 (or 43158 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 8113487049 is about 90074.8968858694. The cubic root of 8113487049 is about 2009.4128833961.

The spelling of 8113487049 in words is "eight billion, one hundred thirteen million, four hundred eighty-seven thousand, forty-nine".