694111349 has 2 divisors, whose sum is σ = 694111350. Its totient is φ = 694111348.

The previous prime is 694111279. The next prime is 694111367. The reversal of 694111349 is 943111496.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685497124 + 8614225 = 26182^2 + 2935^2 .

It is a cyclic number.

It is not a de Polignac number, because 694111349 - 2²⁸ = 425675893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694111849) 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, 347055674 + 347055675.

It is an arithmetic number, because the mean of its divisors is an integer number (347055675).

Almost surely, 2^694111349 is an apocalyptic number.

It is an amenable number.

694111349 is a deficient number, since it is larger than the sum of its proper divisors (1).

694111349 is an equidigital number, since it uses as much as digits as its factorization.

694111349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 694111349 is about 26345.9930349949. The cubic root of 694111349 is about 885.4071983171.

The spelling of 694111349 in words is "six hundred ninety-four million, one hundred eleven thousand, three hundred forty-nine".