51280482479 has 2 divisors, whose sum is σ = 51280482480. Its totient is φ = 51280482478.

The previous prime is 51280482433. The next prime is 51280482521. The reversal of 51280482479 is 97428408215.

51280482479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51280482479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51280482679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25640241239 + 25640241240.

It is an arithmetic number, because the mean of its divisors is an integer number (25640241240).

Almost surely, 2^51280482479 is an apocalyptic number.

51280482479 is a deficient number, since it is larger than the sum of its proper divisors (1).

51280482479 is an equidigital number, since it uses as much as digits as its factorization.

51280482479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 51280482479 in words is "fifty-one billion, two hundred eighty million, four hundred eighty-two thousand, four hundred seventy-nine".