6770099989 has 2 divisors, whose sum is σ = 6770099990. Its totient is φ = 6770099988.

The previous prime is 6770099939. The next prime is 6770100011. The reversal of 6770099989 is 9899900776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6628727889 + 141372100 = 81417^2 + 11890^2 .

It is a cyclic number.

It is not a de Polignac number, because 6770099989 - 2¹⁵ = 6770067221 is a prime.

It is a super-2 number, since 2×6770099989² = 91668507722115600242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6770099989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6770099939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3385049994 + 3385049995.

It is an arithmetic number, because the mean of its divisors is an integer number (3385049995).

Almost surely, 2^6770099989 is an apocalyptic number.

It is an amenable number.

6770099989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6770099989 is an equidigital number, since it uses as much as digits as its factorization.

6770099989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15431472, while the sum is 64.

The square root of 6770099989 is about 82280.6173348256. The cubic root of 6770099989 is about 1891.7555973570.

The spelling of 6770099989 in words is "six billion, seven hundred seventy million, ninety-nine thousand, nine hundred eighty-nine".