6113642971 has 4 divisors (see below), whose sum is σ = 6172998832. Its totient is φ = 6054287112.

The previous prime is 6113642911. The next prime is 6113642981. The reversal of 6113642971 is 1792463116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6113642971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6113642911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29677776 + ... + 29677981.

It is an arithmetic number, because the mean of its divisors is an integer number (1543249708).

Almost surely, 2^6113642971 is an apocalyptic number.

6113642971 is a deficient number, since it is larger than the sum of its proper divisors (59355861).

6113642971 is a wasteful number, since it uses less digits than its factorization.

6113642971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59355860.

The product of its digits is 54432, while the sum is 40.

The square root of 6113642971 is about 78189.7881503717. The cubic root of 6113642971 is about 1828.5213025267.

The spelling of 6113642971 in words is "six billion, one hundred thirteen million, six hundred forty-two thousand, nine hundred seventy-one".