25698040339 has 2 divisors, whose sum is σ = 25698040340. Its totient is φ = 25698040338.

The previous prime is 25698040297. The next prime is 25698040373. The reversal of 25698040339 is 93304089652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25698040339 - 2¹³ = 25698032147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25698040292 and 25698040301.

It is not a weakly prime, because it can be changed into another prime (25698040439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12849020169 + 12849020170.

It is an arithmetic number, because the mean of its divisors is an integer number (12849020170).

Almost surely, 2^25698040339 is an apocalyptic number.

25698040339 is a deficient number, since it is larger than the sum of its proper divisors (1).

25698040339 is an equidigital number, since it uses as much as digits as its factorization.

25698040339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 25698040339 in words is "twenty-five billion, six hundred ninety-eight million, forty thousand, three hundred thirty-nine".