4342774123439 has 2 divisors, whose sum is σ = 4342774123440. Its totient is φ = 4342774123438.

The previous prime is 4342774123433. The next prime is 4342774123463. The reversal of 4342774123439 is 9343214772434.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4342774123439 - 2⁸ = 4342774123183 is a prime.

It is a super-2 number, since 2×4342774123439² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4342774123433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171387061719 + 2171387061720.

It is an arithmetic number, because the mean of its divisors is an integer number (2171387061720).

Almost surely, 2^{4342774123439} is an apocalyptic number.

4342774123439 is a deficient number, since it is larger than the sum of its proper divisors (1).

4342774123439 is an equidigital number, since it uses as much as digits as its factorization.

4342774123439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12192768, while the sum is 53.

The spelling of 4342774123439 in words is "four trillion, three hundred forty-two billion, seven hundred seventy-four million, one hundred twenty-three thousand, four hundred thirty-nine".