698468249 has 2 divisors, whose sum is σ = 698468250. Its totient is φ = 698468248.

The previous prime is 698468159. The next prime is 698468293. The reversal of 698468249 is 942864896.

698468249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493062025 + 205406224 = 22205^2 + 14332^2 .

It is a cyclic number.

It is not a de Polignac number, because 698468249 - 2²⁰ = 697419673 is a prime.

It is a super-2 number, since 2×698468249² = 975715789722252002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 698468194 and 698468203.

It is not a weakly prime, because it can be changed into another prime (698468149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349234124 + 349234125.

It is an arithmetic number, because the mean of its divisors is an integer number (349234125).

Almost surely, 2^698468249 is an apocalyptic number.

It is an amenable number.

698468249 is a deficient number, since it is larger than the sum of its proper divisors (1).

698468249 is an equidigital number, since it uses as much as digits as its factorization.

698468249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5971968, while the sum is 56.

The square root of 698468249 is about 26428.5498845472. The cubic root of 698468249 is about 887.2558869443.

The spelling of 698468249 in words is "six hundred ninety-eight million, four hundred sixty-eight thousand, two hundred forty-nine".