2449657125513 has 36 divisors (see below), whose sum is σ = 3894326859852. Its totient is φ = 1482768443520.

The previous prime is 2449657125511. The next prime is 2449657125557. The reversal of 2449657125513 is 3155217569442.

2449657125513 is a `hidden beast` number, since 2 + 4 + 4 + 9 + 6 + 571 + 2 + 55 + 13 = 666.

2449657125513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1537731442809 + 911925682704 = 1240053^2 + 954948^2 .

It is not a de Polignac number, because 2449657125513 - 2¹ = 2449657125511 is a prime.

It is a super-2 number, since 2×2449657125513² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2449657125513.

It is not an unprimeable number, because it can be changed into a prime (2449657125511) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13108506 + ... + 13294067.

It is an arithmetic number, because the mean of its divisors is an integer number (108175746107).

Almost surely, 2^{2449657125513} is an apocalyptic number.

It is an amenable number.

2449657125513 is a deficient number, since it is larger than the sum of its proper divisors (1444669734339).

2449657125513 is a wasteful number, since it uses less digits than its factorization.

2449657125513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26402666 (or 26402650 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 2449657125513 in words is "two trillion, four hundred forty-nine billion, six hundred fifty-seven million, one hundred twenty-five thousand, five hundred thirteen".