996055649 has 2 divisors, whose sum is σ = 996055650. Its totient is φ = 996055648.

The previous prime is 996055633. The next prime is 996055691. The reversal of 996055649 is 946550699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 811965025 + 184090624 = 28495^2 + 13568^2 .

It is a cyclic number.

It is not a de Polignac number, because 996055649 - 2⁴ = 996055633 is a prime.

It is a super-2 number, since 2×996055649² = 1984253711809622402, 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 996055649.

It is not a weakly prime, because it can be changed into another prime (996052649) 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, 498027824 + 498027825.

It is an arithmetic number, because the mean of its divisors is an integer number (498027825).

Almost surely, 2^996055649 is an apocalyptic number.

It is an amenable number.

996055649 is a deficient number, since it is larger than the sum of its proper divisors (1).

996055649 is an equidigital number, since it uses as much as digits as its factorization.

996055649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The square root of 996055649 is about 31560.3493168247. The cubic root of 996055649 is about 998.6834838792.

The spelling of 996055649 in words is "nine hundred ninety-six million, fifty-five thousand, six hundred forty-nine".