698062139 has 2 divisors, whose sum is σ = 698062140. Its totient is φ = 698062138.

The previous prime is 698062111. The next prime is 698062151. The reversal of 698062139 is 931260896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698062139 - 2¹⁶ = 697996603 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 698062139.

It is not a weakly prime, because it can be changed into another prime (698062039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349031069 + 349031070.

It is an arithmetic number, because the mean of its divisors is an integer number (349031070).

Almost surely, 2^698062139 is an apocalyptic number.

698062139 is a deficient number, since it is larger than the sum of its proper divisors (1).

698062139 is an equidigital number, since it uses as much as digits as its factorization.

698062139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 698062139 is about 26420.8655989920. The cubic root of 698062139 is about 887.0838947096.

The spelling of 698062139 in words is "six hundred ninety-eight million, sixty-two thousand, one hundred thirty-nine".