6653149579 has 16 divisors (see below), whose sum is σ = 7205425920. Its totient is φ = 6124235040.

The previous prime is 6653149571. The next prime is 6653149589. The reversal of 6653149579 is 9759413566.

It is a cyclic number.

It is not a de Polignac number, because 6653149579 - 2³ = 6653149571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6653149571) 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, 188524 + ... + 221014.

It is an arithmetic number, because the mean of its divisors is an integer number (450339120).

Almost surely, 2^6653149579 is an apocalyptic number.

6653149579 is a deficient number, since it is larger than the sum of its proper divisors (552276341).

6653149579 is a wasteful number, since it uses less digits than its factorization.

6653149579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32850.

The product of its digits is 6123600, while the sum is 55.

The square root of 6653149579 is about 81566.8411733592. The cubic root of 6653149579 is about 1880.7991904511.

The spelling of 6653149579 in words is "six billion, six hundred fifty-three million, one hundred forty-nine thousand, five hundred seventy-nine".