8249455517 has 4 divisors (see below), whose sum is σ = 8608127520. Its totient is φ = 7890783516.

The previous prime is 8249455493. The next prime is 8249455531. The reversal of 8249455517 is 7155549428.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8249455517 - 2²⁰ = 8248406941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8249455567) 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, 179335967 + ... + 179336012.

It is an arithmetic number, because the mean of its divisors is an integer number (2152031880).

Almost surely, 2^8249455517 is an apocalyptic number.

It is an amenable number.

8249455517 is a deficient number, since it is larger than the sum of its proper divisors (358672003).

8249455517 is a wasteful number, since it uses less digits than its factorization.

8249455517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358672002.

The product of its digits is 2016000, while the sum is 50.

The square root of 8249455517 is about 90826.5132932009. The cubic root of 8249455517 is about 2020.5755570808.

The spelling of 8249455517 in words is "eight billion, two hundred forty-nine million, four hundred fifty-five thousand, five hundred seventeen".