6808579031 has 2 divisors, whose sum is σ = 6808579032. Its totient is φ = 6808579030.

The previous prime is 6808578991. The next prime is 6808579069. The reversal of 6808579031 is 1309758086.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6808579031 - 2⁶ = 6808578967 is a prime.

It is a super-2 number, since 2×6808579031² = 92713496842745797922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6808579091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3404289515 + 3404289516.

It is an arithmetic number, because the mean of its divisors is an integer number (3404289516).

Almost surely, 2^6808579031 is an apocalyptic number.

6808579031 is a deficient number, since it is larger than the sum of its proper divisors (1).

6808579031 is an equidigital number, since it uses as much as digits as its factorization.

6808579031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 6808579031 is about 82514.1141320683. The cubic root of 6808579031 is about 1895.3328693111.

The spelling of 6808579031 in words is "six billion, eight hundred eight million, five hundred seventy-nine thousand, thirty-one".