8137117066449 has 48 divisors (see below), whose sum is σ = 12989698083648. Its totient is φ = 4514422405248.

The previous prime is 8137117066447. The next prime is 8137117066469. The reversal of 8137117066449 is 9446607117318.

It is not a de Polignac number, because 8137117066449 - 2¹ = 8137117066447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8137117066447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 938227 + ... + 4141799.

It is an arithmetic number, because the mean of its divisors is an integer number (270618710076).

Almost surely, 2^{8137117066449} is an apocalyptic number.

It is an amenable number.

8137117066449 is a deficient number, since it is larger than the sum of its proper divisors (4852581017199).

8137117066449 is a wasteful number, since it uses less digits than its factorization.

8137117066449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204094 (or 3204087 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 8137117066449 in words is "eight trillion, one hundred thirty-seven billion, one hundred seventeen million, sixty-six thousand, four hundred forty-nine".