5194276421 has 2 divisors, whose sum is σ = 5194276422. Its totient is φ = 5194276420.

The previous prime is 5194276361. The next prime is 5194276427. The reversal of 5194276421 is 1246724915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3068052100 + 2126224321 = 55390^2 + 46111^2 .

It is a cyclic number.

It is not a de Polignac number, because 5194276421 - 2¹⁸ = 5194014277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5194276427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2597138210 + 2597138211.

It is an arithmetic number, because the mean of its divisors is an integer number (2597138211).

Almost surely, 2^5194276421 is an apocalyptic number.

It is an amenable number.

5194276421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5194276421 is an equidigital number, since it uses as much as digits as its factorization.

5194276421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 5194276421 is about 72071.3287028899. The cubic root of 5194276421 is about 1731.8423378444.

The spelling of 5194276421 in words is "five billion, one hundred ninety-four million, two hundred seventy-six thousand, four hundred twenty-one".