694544434 has 4 divisors (see below), whose sum is σ = 1041816654. Its totient is φ = 347272216.

The previous prime is 694544423. The next prime is 694544441. The reversal of 694544434 is 434445496.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 398601225 + 295943209 = 19965^2 + 17203^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173636107 + ... + 173636110.

Almost surely, 2^694544434 is an apocalyptic number.

694544434 is a deficient number, since it is larger than the sum of its proper divisors (347272220).

694544434 is a wasteful number, since it uses less digits than its factorization.

694544434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347272219.

The product of its digits is 829440, while the sum is 43.

The square root of 694544434 is about 26354.2109348772. The cubic root of 694544434 is about 885.5913075157.

The spelling of 694544434 in words is "six hundred ninety-four million, five hundred forty-four thousand, four hundred thirty-four".