6177479864989 has 2 divisors, whose sum is σ = 6177479864990. Its totient is φ = 6177479864988.

The previous prime is 6177479864917. The next prime is 6177479865043. The reversal of 6177479864989 is 9894689747716.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3187492476025 + 2989987388964 = 1785355^2 + 1729158^2 .

It is a cyclic number.

It is not a de Polignac number, because 6177479864989 - 2²⁵ = 6177446310557 is a prime.

It is a super-2 number, since 2×6177479864989² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6177479964989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3088739932494 + 3088739932495.

It is an arithmetic number, because the mean of its divisors is an integer number (3088739932495).

Almost surely, 2^{6177479864989} is an apocalyptic number.

It is an amenable number.

6177479864989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6177479864989 is an equidigital number, since it uses as much as digits as its factorization.

6177479864989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9217732608, while the sum is 85.

The spelling of 6177479864989 in words is "six trillion, one hundred seventy-seven billion, four hundred seventy-nine million, eight hundred sixty-four thousand, nine hundred eighty-nine".