5081856254429 has 2 divisors, whose sum is σ = 5081856254430. Its totient is φ = 5081856254428.

The previous prime is 5081856254393. The next prime is 5081856254437. The reversal of 5081856254429 is 9244526581805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4642516622500 + 439339631929 = 2154650^2 + 662827^2 .

It is a cyclic number.

It is not a de Polignac number, because 5081856254429 - 2²⁰ = 5081855205853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5081856251429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2540928127214 + 2540928127215.

It is an arithmetic number, because the mean of its divisors is an integer number (2540928127215).

Almost surely, 2^{5081856254429} is an apocalyptic number.

It is an amenable number.

5081856254429 is a deficient number, since it is larger than the sum of its proper divisors (1).

5081856254429 is an equidigital number, since it uses as much as digits as its factorization.

5081856254429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648000, while the sum is 59.

The spelling of 5081856254429 in words is "five trillion, eighty-one billion, eight hundred fifty-six million, two hundred fifty-four thousand, four hundred twenty-nine".