990722369543 has 2 divisors, whose sum is σ = 990722369544. Its totient is φ = 990722369542.

The previous prime is 990722369501. The next prime is 990722369569. The reversal of 990722369543 is 345963227099.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 990722369543 - 2²⁸ = 990453934087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (990722369573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 495361184771 + 495361184772.

It is an arithmetic number, because the mean of its divisors is an integer number (495361184772).

Almost surely, 2^990722369543 is an apocalyptic number.

990722369543 is a deficient number, since it is larger than the sum of its proper divisors (1).

990722369543 is an equidigital number, since it uses as much as digits as its factorization.

990722369543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 59.

The spelling of 990722369543 in words is "nine hundred ninety billion, seven hundred twenty-two million, three hundred sixty-nine thousand, five hundred forty-three".