6185979845 has 4 divisors (see below), whose sum is σ = 7423175820. Its totient is φ = 4948783872.

The previous prime is 6185979827. The next prime is 6185979851. The reversal of 6185979845 is 5489795816.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1760138116 + 4425841729 = 41954^2 + 66527^2 .

It is a cyclic number.

It is not a de Polignac number, because 6185979845 - 2¹⁴ = 6185963461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618597980 + ... + 618597989.

It is an arithmetic number, because the mean of its divisors is an integer number (1855793955).

Almost surely, 2^6185979845 is an apocalyptic number.

It is an amenable number.

6185979845 is a deficient number, since it is larger than the sum of its proper divisors (1237195975).

6185979845 is a wasteful number, since it uses less digits than its factorization.

6185979845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237195974.

The product of its digits is 21772800, while the sum is 62.

The square root of 6185979845 is about 78651.0002797167. Note that the first 3 decimals coincide. The cubic root of 6185979845 is about 1835.7047579145.

The spelling of 6185979845 in words is "six billion, one hundred eighty-five million, nine hundred seventy-nine thousand, eight hundred forty-five".