6081692139 has 20 divisors (see below), whose sum is σ = 9124016616. Its totient is φ = 4037047776.

The previous prime is 6081692137. The next prime is 6081692147. The reversal of 6081692139 is 9312961806.

It is a happy number.

6081692139 is a `hidden beast` number, since 608 + 1 + 6 + 9 + 2 + 1 + 39 = 666.

It is not a de Polignac number, because 6081692139 - 2¹ = 6081692137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6081692094 and 6081692103.

It is not an unprimeable number, because it can be changed into a prime (6081692137) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 142249 + ... + 179994.

Almost surely, 2^6081692139 is an apocalyptic number.

6081692139 is a deficient number, since it is larger than the sum of its proper divisors (3042324477).

6081692139 is a wasteful number, since it uses less digits than its factorization.

6081692139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322488 (or 322479 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 6081692139 is about 77985.2046160039. The cubic root of 6081692139 is about 1825.3303600610.

The spelling of 6081692139 in words is "six billion, eighty-one million, six hundred ninety-two thousand, one hundred thirty-nine".