5244555204391 has 2 divisors, whose sum is σ = 5244555204392. Its totient is φ = 5244555204390.

The previous prime is 5244555204323. The next prime is 5244555204439. The reversal of 5244555204391 is 1934025554425.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5244555204391 - 2³¹ = 5242407720743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5244555208391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2622277602195 + 2622277602196.

It is an arithmetic number, because the mean of its divisors is an integer number (2622277602196).

Almost surely, 2^{5244555204391} is an apocalyptic number.

5244555204391 is a deficient number, since it is larger than the sum of its proper divisors (1).

5244555204391 is an equidigital number, since it uses as much as digits as its factorization.

5244555204391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 5244555204391 in words is "five trillion, two hundred forty-four billion, five hundred fifty-five million, two hundred four thousand, three hundred ninety-one".