51282872339 has 2 divisors, whose sum is σ = 51282872340. Its totient is φ = 51282872338.

The previous prime is 51282872309. The next prime is 51282872363. The reversal of 51282872339 is 93327828215.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51282872339 is a prime.

It is not a weakly prime, because it can be changed into another prime (51282872309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25641436169 + 25641436170.

It is an arithmetic number, because the mean of its divisors is an integer number (25641436170).

Almost surely, 2^51282872339 is an apocalyptic number.

51282872339 is a deficient number, since it is larger than the sum of its proper divisors (1).

51282872339 is an equidigital number, since it uses as much as digits as its factorization.

51282872339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The spelling of 51282872339 in words is "fifty-one billion, two hundred eighty-two million, eight hundred seventy-two thousand, three hundred thirty-nine".