7659499545 has 24 divisors (see below), whose sum is σ = 13975228800. Its totient is φ = 3870062496.

The previous prime is 7659499543. The next prime is 7659499553. The reversal of 7659499545 is 5459949567.

It is not a de Polignac number, because 7659499545 - 2¹ = 7659499543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7659499543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4478385 + ... + 4480094.

It is an arithmetic number, because the mean of its divisors is an integer number (582301200).

Almost surely, 2^7659499545 is an apocalyptic number.

It is an amenable number.

7659499545 is a deficient number, since it is larger than the sum of its proper divisors (6315729255).

7659499545 is a wasteful number, since it uses less digits than its factorization.

7659499545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8958509 (or 8958506 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 63.

The square root of 7659499545 is about 87518.5668586958. The cubic root of 7659499545 is about 1971.2125927203.

The spelling of 7659499545 in words is "seven billion, six hundred fifty-nine million, four hundred ninety-nine thousand, five hundred forty-five".