5442404708557 has 2 divisors, whose sum is σ = 5442404708558. Its totient is φ = 5442404708556.

The previous prime is 5442404708509. The next prime is 5442404708563. The reversal of 5442404708557 is 7558074042445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3622889685321 + 1819515023236 = 1903389^2 + 1348894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5442404708557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5442404708498 and 5442404708507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5442404708857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721202354278 + 2721202354279.

It is an arithmetic number, because the mean of its divisors is an integer number (2721202354279).

Almost surely, 2^{5442404708557} is an apocalyptic number.

It is an amenable number.

5442404708557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5442404708557 is an equidigital number, since it uses as much as digits as its factorization.

5442404708557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25088000, while the sum is 55.

The spelling of 5442404708557 in words is "five trillion, four hundred forty-two billion, four hundred four million, seven hundred eight thousand, five hundred fifty-seven".