5457744442939 has 2 divisors, whose sum is σ = 5457744442940. Its totient is φ = 5457744442938.

The previous prime is 5457744442919. The next prime is 5457744442949. The reversal of 5457744442939 is 9392444477545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5457744442939 - 2⁵ = 5457744442907 is a prime.

It is not a weakly prime, because it can be changed into another prime (5457744442919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728872221469 + 2728872221470.

It is an arithmetic number, because the mean of its divisors is an integer number (2728872221470).

Almost surely, 2^{5457744442939} is an apocalyptic number.

5457744442939 is a deficient number, since it is larger than the sum of its proper divisors (1).

5457744442939 is an equidigital number, since it uses as much as digits as its factorization.

5457744442939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 609638400, while the sum is 67.

The spelling of 5457744442939 in words is "five trillion, four hundred fifty-seven billion, seven hundred forty-four million, four hundred forty-two thousand, nine hundred thirty-nine".