1694344426 has 16 divisors (see below), whose sum is σ = 2579992128. Its totient is φ = 834372000.

The previous prime is 1694344417. The next prime is 1694344429. The reversal of 1694344426 is 6244434961.

It is not an unprimeable number, because it can be changed into a prime (1694344429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143566 + ... + 154918.

It is an arithmetic number, because the mean of its divisors is an integer number (161249508).

Almost surely, 2^1694344426 is an apocalyptic number.

1694344426 is a deficient number, since it is larger than the sum of its proper divisors (885647702).

1694344426 is a wasteful number, since it uses less digits than its factorization.

1694344426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12477.

The product of its digits is 497664, while the sum is 43.

The square root of 1694344426 is about 41162.4152109664. The cubic root of 1694344426 is about 1192.1582249651.

The spelling of 1694344426 in words is "one billion, six hundred ninety-four million, three hundred forty-four thousand, four hundred twenty-six".