689014411 has 2 divisors, whose sum is σ = 689014412. Its totient is φ = 689014410.

The previous prime is 689014387. The next prime is 689014433. The reversal of 689014411 is 114410986.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-689014411 is a prime.

It is not a weakly prime, because it can be changed into another prime (689014441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344507205 + 344507206.

It is an arithmetic number, because the mean of its divisors is an integer number (344507206).

Almost surely, 2^689014411 is an apocalyptic number.

689014411 is a deficient number, since it is larger than the sum of its proper divisors (1).

689014411 is an equidigital number, since it uses as much as digits as its factorization.

689014411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 689014411 is about 26249.0840030657. The cubic root of 689014411 is about 883.2346568623.

The spelling of 689014411 in words is "six hundred eighty-nine million, fourteen thousand, four hundred eleven".