8849251613 has 2 divisors, whose sum is σ = 8849251614. Its totient is φ = 8849251612.

The previous prime is 8849251601. The next prime is 8849251627. The reversal of 8849251613 is 3161529488.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8007207289 + 842044324 = 89483^2 + 29018^2 .

It is a cyclic number.

It is not a de Polignac number, because 8849251613 - 2²⁴ = 8832474397 is a prime.

It is a super-2 number, since 2×8849251613² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8849251643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4424625806 + 4424625807.

It is an arithmetic number, because the mean of its divisors is an integer number (4424625807).

Almost surely, 2^8849251613 is an apocalyptic number.

It is an amenable number.

8849251613 is a deficient number, since it is larger than the sum of its proper divisors (1).

8849251613 is an equidigital number, since it uses as much as digits as its factorization.

8849251613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 414720, while the sum is 47.

The square root of 8849251613 is about 94070.4608950121. The cubic root of 8849251613 is about 2068.4046934266.

The spelling of 8849251613 in words is "eight billion, eight hundred forty-nine million, two hundred fifty-one thousand, six hundred thirteen".