6133659681 has 8 divisors (see below), whose sum is σ = 8187963840. Its totient is φ = 4084230992.

The previous prime is 6133659671. The next prime is 6133659709. The reversal of 6133659681 is 1869563316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6133659681 - 2¹⁴ = 6133643297 is a prime.

It is a super-2 number, since 2×6133659681² = 75243562164650043522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6133659681.

It is not an unprimeable number, because it can be changed into a prime (6133659671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215930 + ... + 1220963.

It is an arithmetic number, because the mean of its divisors is an integer number (1023495480).

Almost surely, 2^6133659681 is an apocalyptic number.

It is an amenable number.

6133659681 is a deficient number, since it is larger than the sum of its proper divisors (2054304159).

6133659681 is a wasteful number, since it uses less digits than its factorization.

6133659681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437735.

The product of its digits is 699840, while the sum is 48.

The square root of 6133659681 is about 78317.6843439590. The cubic root of 6133659681 is about 1830.5147188995.

The spelling of 6133659681 in words is "six billion, one hundred thirty-three million, six hundred fifty-nine thousand, six hundred eighty-one".