51096530389 has 2 divisors, whose sum is σ = 51096530390. Its totient is φ = 51096530388.

The previous prime is 51096530377. The next prime is 51096530411. The reversal of 51096530389 is 98303569015.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48810064900 + 2286465489 = 220930^2 + 47817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51096530389 is a prime.

It is a super-2 number, since 2×51096530389² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51096530189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25548265194 + 25548265195.

It is an arithmetic number, because the mean of its divisors is an integer number (25548265195).

Almost surely, 2^51096530389 is an apocalyptic number.

It is an amenable number.

51096530389 is a deficient number, since it is larger than the sum of its proper divisors (1).

51096530389 is an equidigital number, since it uses as much as digits as its factorization.

51096530389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 49.

The spelling of 51096530389 in words is "fifty-one billion, ninety-six million, five hundred thirty thousand, three hundred eighty-nine".