6479172811 has 2 divisors, whose sum is σ = 6479172812. Its totient is φ = 6479172810.

The previous prime is 6479172803. The next prime is 6479172829. The reversal of 6479172811 is 1182719746.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6479172811 - 2³ = 6479172803 is a prime.

It is not a weakly prime, because it can be changed into another prime (6479182811) 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, 3239586405 + 3239586406.

It is an arithmetic number, because the mean of its divisors is an integer number (3239586406).

Almost surely, 2^6479172811 is an apocalyptic number.

6479172811 is a deficient number, since it is larger than the sum of its proper divisors (1).

6479172811 is an equidigital number, since it uses as much as digits as its factorization.

6479172811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 46.

The square root of 6479172811 is about 80493.3091070308. The cubic root of 6479172811 is about 1864.2601709203.

The spelling of 6479172811 in words is "six billion, four hundred seventy-nine million, one hundred seventy-two thousand, eight hundred eleven".