698427911 has 2 divisors, whose sum is σ = 698427912. Its totient is φ = 698427910.

The previous prime is 698427871. The next prime is 698427931. The reversal of 698427911 is 119724896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698427911 - 2¹⁰ = 698426887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698427931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349213955 + 349213956.

It is an arithmetic number, because the mean of its divisors is an integer number (349213956).

Almost surely, 2^698427911 is an apocalyptic number.

698427911 is a deficient number, since it is larger than the sum of its proper divisors (1).

698427911 is an equidigital number, since it uses as much as digits as its factorization.

698427911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 47.

The square root of 698427911 is about 26427.7867215550. The cubic root of 698427911 is about 887.2388063221.

The spelling of 698427911 in words is "six hundred ninety-eight million, four hundred twenty-seven thousand, nine hundred eleven".