6109073685 has 144 divisors (see below), whose sum is σ = 12647905920. Its totient is φ = 2703767040.

The previous prime is 6109073681. The next prime is 6109073753. The reversal of 6109073685 is 5863709016.

It is a happy number.

It is not a de Polignac number, because 6109073685 - 2² = 6109073681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 6109073685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6109073681) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 8616111 + ... + 8616819.

It is an arithmetic number, because the mean of its divisors is an integer number (87832680).

Almost surely, 2^6109073685 is an apocalyptic number.

6109073685 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6109073685 is an abundant number, since it is smaller than the sum of its proper divisors (6538832235).

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

6109073685 is a wasteful number, since it uses less digits than its factorization.

6109073685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 6109073685 is about 78160.5634895246. The cubic root of 6109073685 is about 1828.0656484435.

The spelling of 6109073685 in words is "six billion, one hundred nine million, seventy-three thousand, six hundred eighty-five".