8713626257249 has 4 divisors (see below), whose sum is σ = 8926153726980. Its totient is φ = 8501098787520.

The previous prime is 8713626257239. The next prime is 8713626257251. The reversal of 8713626257249 is 9427526263178.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1600566568225 + 7113059689024 = 1265135^2 + 2667032^2 .

It is a cyclic number.

It is not a de Polignac number, because 8713626257249 - 2⁴ = 8713626257233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8713626257191 and 8713626257200.

It is not an unprimeable number, because it can be changed into a prime (8713626257239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106263734804 + ... + 106263734885.

It is an arithmetic number, because the mean of its divisors is an integer number (2231538431745).

Almost surely, 2^{8713626257249} is an apocalyptic number.

It is an amenable number.

8713626257249 is a deficient number, since it is larger than the sum of its proper divisors (212527469731).

8713626257249 is a wasteful number, since it uses less digits than its factorization.

8713626257249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212527469730.

The product of its digits is 60963840, while the sum is 62.

The spelling of 8713626257249 in words is "eight trillion, seven hundred thirteen billion, six hundred twenty-six million, two hundred fifty-seven thousand, two hundred forty-nine".