51252444425219 has 2 divisors, whose sum is σ = 51252444425220. Its totient is φ = 51252444425218.

The previous prime is 51252444425213. The next prime is 51252444425227. The reversal of 51252444425219 is 91252444425215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51252444425219 - 2²⁴ = 51252427648003 is a prime.

It is a super-3 number, since 3×51252444425219³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51252444425213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25626222212609 + 25626222212610.

It is an arithmetic number, because the mean of its divisors is an integer number (25626222212610).

Almost surely, 2^{51252444425219} is an apocalyptic number.

51252444425219 is a deficient number, since it is larger than the sum of its proper divisors (1).

51252444425219 is an equidigital number, since it uses as much as digits as its factorization.

51252444425219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608000, while the sum is 50.

The spelling of 51252444425219 in words is "fifty-one trillion, two hundred fifty-two billion, four hundred forty-four million, four hundred twenty-five thousand, two hundred nineteen".