6802639057 has 2 divisors, whose sum is σ = 6802639058. Its totient is φ = 6802639056.

The previous prime is 6802638949. The next prime is 6802639073. The reversal of 6802639057 is 7509362086.

6802639057 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4755619521 + 2047019536 = 68961^2 + 45244^2 .

It is a cyclic number.

It is not a de Polignac number, because 6802639057 - 2⁷ = 6802638929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6802638998 and 6802639016.

It is not a weakly prime, because it can be changed into another prime (6802639157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3401319528 + 3401319529.

It is an arithmetic number, because the mean of its divisors is an integer number (3401319529).

Almost surely, 2^6802639057 is an apocalyptic number.

It is an amenable number.

6802639057 is a deficient number, since it is larger than the sum of its proper divisors (1).

6802639057 is an equidigital number, since it uses as much as digits as its factorization.

6802639057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 6802639057 is about 82478.1125935845. The cubic root of 6802639057 is about 1894.7815304053.

The spelling of 6802639057 in words is "six billion, eight hundred two million, six hundred thirty-nine thousand, fifty-seven".