44423655387779 has 2 divisors, whose sum is σ = 44423655387780. Its totient is φ = 44423655387778.

The previous prime is 44423655387773. The next prime is 44423655387781. The reversal of 44423655387779 is 97778355632444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44423655387779 - 2²⁰ = 44423654339203 is a prime.

It is a super-2 number, since 2×44423655387779² (a number of 28 digits) contains 22 as substring.

Together with 44423655387781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (44423655387773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22211827693889 + 22211827693890.

It is an arithmetic number, because the mean of its divisors is an integer number (22211827693890).

Almost surely, 2^{44423655387779} is an apocalyptic number.

44423655387779 is a deficient number, since it is larger than the sum of its proper divisors (1).

44423655387779 is an equidigital number, since it uses as much as digits as its factorization.

44423655387779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4267468800, while the sum is 74.

The spelling of 44423655387779 in words is "forty-four trillion, four hundred twenty-three billion, six hundred fifty-five million, three hundred eighty-seven thousand, seven hundred seventy-nine".