6186958849 has 4 divisors (see below), whose sum is σ = 6187247280. Its totient is φ = 6186670420.

The previous prime is 6186958837. The next prime is 6186958867. The reversal of 6186958849 is 9488596816.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6186958849 - 2¹¹ = 6186956801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6186958829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109207 + ... + 155884.

It is an arithmetic number, because the mean of its divisors is an integer number (1546811820).

Almost surely, 2^6186958849 is an apocalyptic number.

It is an amenable number.

6186958849 is a deficient number, since it is larger than the sum of its proper divisors (288431).

6186958849 is a wasteful number, since it uses less digits than its factorization.

6186958849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288430.

The product of its digits is 29859840, while the sum is 64.

The square root of 6186958849 is about 78657.2237559908. The cubic root of 6186958849 is about 1835.8015934225.

The spelling of 6186958849 in words is "six billion, one hundred eighty-six million, nine hundred fifty-eight thousand, eight hundred forty-nine".