6598149969 has 16 divisors (see below), whose sum is σ = 9263738880. Its totient is φ = 4165822800.

The previous prime is 6598149923. The next prime is 6598149997. The reversal of 6598149969 is 9699418956.

6598149969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6598149969 - 2⁷ = 6598149841 is a prime.

It is a super-2 number, since 2×6598149969² = 87071166026829401922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6598149869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162244 + ... + 198794.

It is an arithmetic number, because the mean of its divisors is an integer number (578983680).

Almost surely, 2^6598149969 is an apocalyptic number.

It is an amenable number.

6598149969 is a deficient number, since it is larger than the sum of its proper divisors (2665588911).

6598149969 is a wasteful number, since it uses less digits than its factorization.

6598149969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39740.

The product of its digits is 37791360, while the sum is 66.

The square root of 6598149969 is about 81228.9970946336. The cubic root of 6598149969 is about 1875.6021740165.

The spelling of 6598149969 in words is "six billion, five hundred ninety-eight million, one hundred forty-nine thousand, nine hundred sixty-nine".