51333870941 has 2 divisors, whose sum is σ = 51333870942. Its totient is φ = 51333870940.

The previous prime is 51333870877. The next prime is 51333870943. The reversal of 51333870941 is 14907833315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27372378916 + 23961492025 = 165446^2 + 154795^2 .

It is a cyclic number.

It is not a de Polignac number, because 51333870941 - 2⁶ = 51333870877 is a prime.

Together with 51333870943, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 51333870892 and 51333870901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51333870943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25666935470 + 25666935471.

It is an arithmetic number, because the mean of its divisors is an integer number (25666935471).

Almost surely, 2^51333870941 is an apocalyptic number.

It is an amenable number.

51333870941 is a deficient number, since it is larger than the sum of its proper divisors (1).

51333870941 is an equidigital number, since it uses as much as digits as its factorization.

51333870941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 51333870941 in words is "fifty-one billion, three hundred thirty-three million, eight hundred seventy thousand, nine hundred forty-one".