7686939241 has 2 divisors, whose sum is σ = 7686939242. Its totient is φ = 7686939240.

The previous prime is 7686939199. The next prime is 7686939263. The reversal of 7686939241 is 1429396867.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5439800025 + 2247139216 = 73755^2 + 47404^2 .

It is a cyclic number.

It is not a de Polignac number, because 7686939241 - 2²⁷ = 7552721513 is a prime.

It is not a weakly prime, because it can be changed into another prime (7686939941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3843469620 + 3843469621.

It is an arithmetic number, because the mean of its divisors is an integer number (3843469621).

Almost surely, 2^7686939241 is an apocalyptic number.

It is an amenable number.

7686939241 is a deficient number, since it is larger than the sum of its proper divisors (1).

7686939241 is an equidigital number, since it uses as much as digits as its factorization.

7686939241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 55.

The square root of 7686939241 is about 87675.1917078030. The cubic root of 7686939241 is about 1973.5637041936.

The spelling of 7686939241 in words is "seven billion, six hundred eighty-six million, nine hundred thirty-nine thousand, two hundred forty-one".