5094781421 has 2 divisors, whose sum is σ = 5094781422. Its totient is φ = 5094781420.

The previous prime is 5094781387. The next prime is 5094781469. The reversal of 5094781421 is 1241874905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2778765796 + 2316015625 = 52714^2 + 48125^2 .

It is a cyclic number.

It is not a de Polignac number, because 5094781421 - 2¹⁸ = 5094519277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5094784421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2547390710 + 2547390711.

It is an arithmetic number, because the mean of its divisors is an integer number (2547390711).

Almost surely, 2^5094781421 is an apocalyptic number.

It is an amenable number.

5094781421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5094781421 is an equidigital number, since it uses as much as digits as its factorization.

5094781421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 5094781421 is about 71377.7375727194. The cubic root of 5094781421 is about 1720.7133129563.

The spelling of 5094781421 in words is "five billion, ninety-four million, seven hundred eighty-one thousand, four hundred twenty-one".