2649113523 has 24 divisors (see below), whose sum is σ = 4391462400. Its totient is φ = 1507436784.

The previous prime is 2649113507. The next prime is 2649113549. The reversal of 2649113523 is 3253119462.

2649113523 is a `hidden beast` number, since 2 + 649 + 1 + 1 + 3 + 5 + 2 + 3 = 666.

It is not a de Polignac number, because 2649113523 - 2⁴ = 2649113507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2649113503) 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, 72913 + ... + 103026.

It is an arithmetic number, because the mean of its divisors is an integer number (182977600).

Almost surely, 2^2649113523 is an apocalyptic number.

2649113523 is a deficient number, since it is larger than the sum of its proper divisors (1742348877).

2649113523 is a wasteful number, since it uses less digits than its factorization.

2649113523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176191 (or 176188 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 2649113523 is about 51469.5397589681. The cubic root of 2649113523 is about 1383.6731806170.

The spelling of 2649113523 in words is "two billion, six hundred forty-nine million, one hundred thirteen thousand, five hundred twenty-three".