698116439 has 2 divisors, whose sum is σ = 698116440. Its totient is φ = 698116438.

The previous prime is 698116429. The next prime is 698116501. The reversal of 698116439 is 934611896.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 698116439 - 2²⁰ = 697067863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 698116393 and 698116402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698116409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349058219 + 349058220.

It is an arithmetic number, because the mean of its divisors is an integer number (349058220).

Almost surely, 2^698116439 is an apocalyptic number.

698116439 is a deficient number, since it is larger than the sum of its proper divisors (1).

698116439 is an equidigital number, since it uses as much as digits as its factorization.

698116439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 698116439 is about 26421.8931759251. The cubic root of 698116439 is about 887.1068952440.

The spelling of 698116439 in words is "six hundred ninety-eight million, one hundred sixteen thousand, four hundred thirty-nine".