6802639157 has 2 divisors, whose sum is σ = 6802639158. Its totient is φ = 6802639156.

The previous prime is 6802639073. The next prime is 6802639159. The reversal of 6802639157 is 7519362086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6796518481 + 6120676 = 82441^2 + 2474^2 .

It is a cyclic number.

It is not a de Polignac number, because 6802639157 - 2³⁰ = 5728897333 is a prime.

Together with 6802639159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6802639159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3401319578 + 3401319579.

It is an arithmetic number, because the mean of its divisors is an integer number (3401319579).

Almost surely, 2^6802639157 is an apocalyptic number.

It is an amenable number.

6802639157 is a deficient number, since it is larger than the sum of its proper divisors (1).

6802639157 is an equidigital number, since it uses as much as digits as its factorization.

6802639157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 6802639157 is about 82478.1131998059. The cubic root of 6802639157 is about 1894.7815396899.

The spelling of 6802639157 in words is "six billion, eight hundred two million, six hundred thirty-nine thousand, one hundred fifty-seven".