51333425321963 has 2 divisors, whose sum is σ = 51333425321964. Its totient is φ = 51333425321962.

The previous prime is 51333425321851. The next prime is 51333425322041. The reversal of 51333425321963 is 36912352433315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51333425321963 - 2¹⁴ = 51333425305579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51333425321363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25666712660981 + 25666712660982.

It is an arithmetic number, because the mean of its divisors is an integer number (25666712660982).

Almost surely, 2^{51333425321963} is an apocalyptic number.

51333425321963 is a deficient number, since it is larger than the sum of its proper divisors (1).

51333425321963 is an equidigital number, since it uses as much as digits as its factorization.

51333425321963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5248800, while the sum is 50.

The spelling of 51333425321963 in words is "fifty-one trillion, three hundred thirty-three billion, four hundred twenty-five million, three hundred twenty-one thousand, nine hundred sixty-three".