2698288139 has 2 divisors, whose sum is σ = 2698288140. Its totient is φ = 2698288138.

The previous prime is 2698288069. The next prime is 2698288147. The reversal of 2698288139 is 9318828962.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2698288139 is a prime.

It is not a weakly prime, because it can be changed into another prime (2698288199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349144069 + 1349144070.

It is an arithmetic number, because the mean of its divisors is an integer number (1349144070).

Almost surely, 2^2698288139 is an apocalyptic number.

2698288139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2698288139 is an equidigital number, since it uses as much as digits as its factorization.

2698288139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2985984, while the sum is 56.

The square root of 2698288139 is about 51945.0492251187. The cubic root of 2698288139 is about 1392.1823006484.

The spelling of 2698288139 in words is "two billion, six hundred ninety-eight million, two hundred eighty-eight thousand, one hundred thirty-nine".