6109249656 has 32 divisors (see below), whose sum is σ = 15393392640. Its totient is φ = 2020380768.

The previous prime is 6109249621. The next prime is 6109249667. The reversal of 6109249656 is 6569429016.

It is a super-2 number, since 2×6109249656² = 74645862718672236672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999126 + ... + 1005221.

It is an arithmetic number, because the mean of its divisors is an integer number (481043520).

Almost surely, 2^6109249656 is an apocalyptic number.

It is an amenable number.

6109249656 is an abundant number, since it is smaller than the sum of its proper divisors (9284142984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6109249656 is a wasteful number, since it uses less digits than its factorization.

6109249656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004483 (or 2004479 counting only the distinct ones).

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

The square root of 6109249656 is about 78161.6891833845. The cubic root of 6109249656 is about 1828.0832006654.

The spelling of 6109249656 in words is "six billion, one hundred nine million, two hundred forty-nine thousand, six hundred fifty-six".