6179791949 has 2 divisors, whose sum is σ = 6179791950. Its totient is φ = 6179791948.

The previous prime is 6179791927. The next prime is 6179791987. The reversal of 6179791949 is 9491979716.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6177174025 + 2617924 = 78595^2 + 1618^2 .

It is a cyclic number.

It is not a de Polignac number, because 6179791949 - 2⁸ = 6179791693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6179791891 and 6179791900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6179791349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3089895974 + 3089895975.

It is an arithmetic number, because the mean of its divisors is an integer number (3089895975).

Almost surely, 2^6179791949 is an apocalyptic number.

It is an amenable number.

6179791949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6179791949 is an equidigital number, since it uses as much as digits as its factorization.

6179791949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 62.

The square root of 6179791949 is about 78611.6527558097. The cubic root of 6179791949 is about 1835.0924625802.

The spelling of 6179791949 in words is "six billion, one hundred seventy-nine million, seven hundred ninety-one thousand, nine hundred forty-nine".