5051321440247 has 2 divisors, whose sum is σ = 5051321440248. Its totient is φ = 5051321440246.

The previous prime is 5051321440223. The next prime is 5051321440273. The reversal of 5051321440247 is 7420441231505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5051321440247 - 2¹⁸ = 5051321178103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5051321440247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5051321440447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525660720123 + 2525660720124.

It is an arithmetic number, because the mean of its divisors is an integer number (2525660720124).

Almost surely, 2^{5051321440247} is an apocalyptic number.

5051321440247 is a deficient number, since it is larger than the sum of its proper divisors (1).

5051321440247 is an equidigital number, since it uses as much as digits as its factorization.

5051321440247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 5051321440247 in words is "five trillion, fifty-one billion, three hundred twenty-one million, four hundred forty thousand, two hundred forty-seven".