51254214593 has 2 divisors, whose sum is σ = 51254214594. Its totient is φ = 51254214592.

The previous prime is 51254214587. The next prime is 51254214607. The reversal of 51254214593 is 39541245215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47824003969 + 3430210624 = 218687^2 + 58568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51254214593 is a prime.

It is a super-4 number, since 4×51254214593⁴ (a number of 44 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51254214593.

It is not a weakly prime, because it can be changed into another prime (51254514593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25627107296 + 25627107297.

It is an arithmetic number, because the mean of its divisors is an integer number (25627107297).

Almost surely, 2^51254214593 is an apocalyptic number.

It is an amenable number.

51254214593 is a deficient number, since it is larger than the sum of its proper divisors (1).

51254214593 is an equidigital number, since it uses as much as digits as its factorization.

51254214593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 41.

The spelling of 51254214593 in words is "fifty-one billion, two hundred fifty-four million, two hundred fourteen thousand, five hundred ninety-three".