51083404747 has 2 divisors, whose sum is σ = 51083404748. Its totient is φ = 51083404746.

The previous prime is 51083404739. The next prime is 51083404753. The reversal of 51083404747 is 74740438015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51083404747 - 2³ = 51083404739 is a prime.

It is not a weakly prime, because it can be changed into another prime (51083404727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25541702373 + 25541702374.

It is an arithmetic number, because the mean of its divisors is an integer number (25541702374).

Almost surely, 2^51083404747 is an apocalyptic number.

51083404747 is a deficient number, since it is larger than the sum of its proper divisors (1).

51083404747 is an equidigital number, since it uses as much as digits as its factorization.

51083404747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 51083404747 in words is "fifty-one billion, eighty-three million, four hundred four thousand, seven hundred forty-seven".