990013295849 has 2 divisors, whose sum is σ = 990013295850. Its totient is φ = 990013295848.

The previous prime is 990013295807. The next prime is 990013295891. The reversal of 990013295849 is 948592310099.

It is a balanced prime because it is at equal distance from previous prime (990013295807) and next prime (990013295891).

It can be written as a sum of positive squares in only one way, i.e., 910627415824 + 79385880025 = 954268^2 + 281755^2 .

It is a cyclic number.

It is not a de Polignac number, because 990013295849 - 2¹² = 990013291753 is a prime.

It is not a weakly prime, because it can be changed into another prime (990013295449) 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, 495006647924 + 495006647925.

It is an arithmetic number, because the mean of its divisors is an integer number (495006647925).

Almost surely, 2^990013295849 is an apocalyptic number.

It is an amenable number.

990013295849 is a deficient number, since it is larger than the sum of its proper divisors (1).

990013295849 is an equidigital number, since it uses as much as digits as its factorization.

990013295849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6298560, while the sum is 59.

The spelling of 990013295849 in words is "nine hundred ninety billion, thirteen million, two hundred ninety-five thousand, eight hundred forty-nine".