6860994949 has 2 divisors, whose sum is σ = 6860994950. Its totient is φ = 6860994948.

The previous prime is 6860994941. The next prime is 6860994953. The reversal of 6860994949 is 9494990686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5635504900 + 1225490049 = 75070^2 + 35007^2 .

It is a cyclic number.

It is not a de Polignac number, because 6860994949 - 2³ = 6860994941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6860994941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3430497474 + 3430497475.

It is an arithmetic number, because the mean of its divisors is an integer number (3430497475).

Almost surely, 2^6860994949 is an apocalyptic number.

It is an amenable number.

6860994949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6860994949 is an equidigital number, since it uses as much as digits as its factorization.

6860994949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30233088, while the sum is 64.

The square root of 6860994949 is about 82831.1230697737. The cubic root of 6860994949 is about 1900.1841879612.

The spelling of 6860994949 in words is "six billion, eight hundred sixty million, nine hundred ninety-four thousand, nine hundred forty-nine".