694018379 has 2 divisors, whose sum is σ = 694018380. Its totient is φ = 694018378.

The previous prime is 694018333. The next prime is 694018417. The reversal of 694018379 is 973810496.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 694018379 - 2¹⁶ = 693952843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (694018279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347009189 + 347009190.

It is an arithmetic number, because the mean of its divisors is an integer number (347009190).

Almost surely, 2^694018379 is an apocalyptic number.

694018379 is a deficient number, since it is larger than the sum of its proper divisors (1).

694018379 is an equidigital number, since it uses as much as digits as its factorization.

694018379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 694018379 is about 26344.2285709793. The cubic root of 694018379 is about 885.3676657633.

The spelling of 694018379 in words is "six hundred ninety-four million, eighteen thousand, three hundred seventy-nine".