43222343797949 has 2 divisors, whose sum is σ = 43222343797950. Its totient is φ = 43222343797948.

The previous prime is 43222343797883. The next prime is 43222343797961. The reversal of 43222343797949 is 94979734322234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37632311092324 + 5590032705625 = 6134518^2 + 2364325^2 .

It is a cyclic number.

It is not a de Polignac number, because 43222343797949 - 2²⁸ = 43222075362493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43222343787949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21611171898974 + 21611171898975.

It is an arithmetic number, because the mean of its divisors is an integer number (21611171898975).

Almost surely, 2^{43222343797949} is an apocalyptic number.

It is an amenable number.

43222343797949 is a deficient number, since it is larger than the sum of its proper divisors (1).

43222343797949 is an equidigital number, since it uses as much as digits as its factorization.

43222343797949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493807104, while the sum is 68.

The spelling of 43222343797949 in words is "forty-three trillion, two hundred twenty-two billion, three hundred forty-three million, seven hundred ninety-seven thousand, nine hundred forty-nine".