6299120669 has 2 divisors, whose sum is σ = 6299120670. Its totient is φ = 6299120668.

The previous prime is 6299120647. The next prime is 6299120677. The reversal of 6299120669 is 9660219926.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4078355044 + 2220765625 = 63862^2 + 47125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6299120669 is a prime.

It is a super-2 number, since 2×6299120669² = 79357842405246015122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6299120969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3149560334 + 3149560335.

It is an arithmetic number, because the mean of its divisors is an integer number (3149560335).

Almost surely, 2^6299120669 is an apocalyptic number.

It is an amenable number.

6299120669 is a deficient number, since it is larger than the sum of its proper divisors (1).

6299120669 is an equidigital number, since it uses as much as digits as its factorization.

6299120669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 6299120669 is about 79366.9998740030. Note that the first 3 decimals coincide. The cubic root of 6299120669 is about 1846.8288179103.

The spelling of 6299120669 in words is "six billion, two hundred ninety-nine million, one hundred twenty thousand, six hundred sixty-nine".