694938369 has 4 divisors (see below), whose sum is σ = 926584496. Its totient is φ = 463292244.

The previous prime is 694938367. The next prime is 694938383. The reversal of 694938369 is 963839496.

694938369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 694938369 - 2¹ = 694938367 is a prime.

It is a super-2 number, since 2×694938369² = 965878673416760322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (694938367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115823059 + ... + 115823064.

It is an arithmetic number, because the mean of its divisors is an integer number (231646124).

Almost surely, 2^694938369 is an apocalyptic number.

It is an amenable number.

694938369 is a deficient number, since it is larger than the sum of its proper divisors (231646127).

694938369 is a wasteful number, since it uses less digits than its factorization.

694938369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231646126.

The product of its digits is 7558272, while the sum is 57.

The square root of 694938369 is about 26361.6837284723. The cubic root of 694938369 is about 885.7587071609.

The spelling of 694938369 in words is "six hundred ninety-four million, nine hundred thirty-eight thousand, three hundred sixty-nine".