2122445265749 has 2 divisors, whose sum is σ = 2122445265750. Its totient is φ = 2122445265748.

The previous prime is 2122445265727. The next prime is 2122445265767. The reversal of 2122445265749 is 9475625442212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297469074225 + 824976191524 = 1139065^2 + 908282^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122445265749 - 2²⁴ = 2122428488533 is a prime.

It is a super-2 number, since 2×2122445265749² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2122445265749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122445265949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061222632874 + 1061222632875.

It is an arithmetic number, because the mean of its divisors is an integer number (1061222632875).

Almost surely, 2^{2122445265749} is an apocalyptic number.

It is an amenable number.

2122445265749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122445265749 is an equidigital number, since it uses as much as digits as its factorization.

2122445265749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9676800, while the sum is 53.

The spelling of 2122445265749 in words is "two trillion, one hundred twenty-two billion, four hundred forty-five million, two hundred sixty-five thousand, seven hundred forty-nine".