22136996769949 has 2 divisors, whose sum is σ = 22136996769950. Its totient is φ = 22136996769948.

The previous prime is 22136996769929. The next prime is 22136996769997. The reversal of 22136996769949 is 94996769963122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21214839885849 + 922156884100 = 4605957^2 + 960290^2 .

It is a cyclic number.

It is not a de Polignac number, because 22136996769949 - 2¹¹ = 22136996767901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22136996769919) 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, 11068498384974 + 11068498384975.

It is an arithmetic number, because the mean of its divisors is an integer number (11068498384975).

Almost surely, 2^{22136996769949} is an apocalyptic number.

It is an amenable number.

22136996769949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22136996769949 is an equidigital number, since it uses as much as digits as its factorization.

22136996769949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4285540224, while the sum is 82.

The spelling of 22136996769949 in words is "twenty-two trillion, one hundred thirty-six billion, nine hundred ninety-six million, seven hundred sixty-nine thousand, nine hundred forty-nine".