2513749653 has 16 divisors (see below), whose sum is σ = 3725092800. Its totient is φ = 1675374480.

The previous prime is 2513749627. The next prime is 2513749657. The reversal of 2513749653 is 3569473152.

2513749653 is a `hidden beast` number, since 2 + 513 + 74 + 9 + 65 + 3 = 666.

2513749653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-2513749653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2513749599 and 2513749608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513749657) 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, 108838 + ... + 129896.

It is an arithmetic number, because the mean of its divisors is an integer number (232818300).

Almost surely, 2^2513749653 is an apocalyptic number.

It is an amenable number.

2513749653 is a deficient number, since it is larger than the sum of its proper divisors (1211343147).

2513749653 is a wasteful number, since it uses less digits than its factorization.

2513749653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25489 (or 25483 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 2513749653 is about 50137.3079951447. The cubic root of 2513749653 is about 1359.6924140398.

The spelling of 2513749653 in words is "two billion, five hundred thirteen million, seven hundred forty-nine thousand, six hundred fifty-three".