51933621487339 has 2 divisors, whose sum is σ = 51933621487340. Its totient is φ = 51933621487338.

The previous prime is 51933621487249. The next prime is 51933621487343. The reversal of 51933621487339 is 93378412633915.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51933621487339 - 2¹³ = 51933621479147 is a prime.

It is not a weakly prime, because it can be changed into another prime (51933621427339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25966810743669 + 25966810743670.

It is an arithmetic number, because the mean of its divisors is an integer number (25966810743670).

Almost surely, 2^{51933621487339} is an apocalyptic number.

51933621487339 is a deficient number, since it is larger than the sum of its proper divisors (1).

51933621487339 is an equidigital number, since it uses as much as digits as its factorization.

51933621487339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 88179840, while the sum is 64.

The spelling of 51933621487339 in words is "fifty-one trillion, nine hundred thirty-three billion, six hundred twenty-one million, four hundred eighty-seven thousand, three hundred thirty-nine".