6299400602849 has 2 divisors, whose sum is σ = 6299400602850. Its totient is φ = 6299400602848.

The previous prime is 6299400602843. The next prime is 6299400602909. The reversal of 6299400602849 is 9482060049926.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4107837168400 + 2191563434449 = 2026780^2 + 1480393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6299400602849 is a prime.

It is not a weakly prime, because it can be changed into another prime (6299400602843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3149700301424 + 3149700301425.

It is an arithmetic number, because the mean of its divisors is an integer number (3149700301425).

Almost surely, 2^{6299400602849} is an apocalyptic number.

It is an amenable number.

6299400602849 is a deficient number, since it is larger than the sum of its proper divisors (1).

6299400602849 is an equidigital number, since it uses as much as digits as its factorization.

6299400602849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 6299400602849 in words is "six trillion, two hundred ninety-nine billion, four hundred million, six hundred two thousand, eight hundred forty-nine".