698941219 has 2 divisors, whose sum is σ = 698941220. Its totient is φ = 698941218.

The previous prime is 698941153. The next prime is 698941223. The reversal of 698941219 is 912149896.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698941219 - 2²¹ = 696844067 is a prime.

It is a super-2 number, since 2×698941219² = 977037655234411922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (698941289) 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, 349470609 + 349470610.

It is an arithmetic number, because the mean of its divisors is an integer number (349470610).

Almost surely, 2^698941219 is an apocalyptic number.

698941219 is a deficient number, since it is larger than the sum of its proper divisors (1).

698941219 is an equidigital number, since it uses as much as digits as its factorization.

698941219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 49.

The square root of 698941219 is about 26437.4964586286. The cubic root of 698941219 is about 887.4561111405.

The spelling of 698941219 in words is "six hundred ninety-eight million, nine hundred forty-one thousand, two hundred nineteen".