10999979633 has 2 divisors, whose sum is σ = 10999979634. Its totient is φ = 10999979632.

The previous prime is 10999979621. The next prime is 10999979699. The reversal of 10999979633 is 33697999901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10806018304 + 193961329 = 103952^2 + 13927^2 .

It is a cyclic number.

It is not a de Polignac number, because 10999979633 - 2⁶ = 10999979569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10999979633.

It is not a weakly prime, because it can be changed into another prime (10999979603) 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, 5499989816 + 5499989817.

It is an arithmetic number, because the mean of its divisors is an integer number (5499989817).

Almost surely, 2^10999979633 is an apocalyptic number.

It is an amenable number.

10999979633 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999979633 is an equidigital number, since it uses as much as digits as its factorization.

10999979633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22320522, while the sum is 65.

The spelling of 10999979633 in words is "ten billion, nine hundred ninety-nine million, nine hundred seventy-nine thousand, six hundred thirty-three".