1693943044 has 48 divisors (see below), whose sum is σ = 3182086656. Its totient is φ = 787564800.

The previous prime is 1693943039. The next prime is 1693943059. The reversal of 1693943044 is 4403493961.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338142 + ... + 343114.

It is an arithmetic number, because the mean of its divisors is an integer number (66293472).

Almost surely, 2^1693943044 is an apocalyptic number.

It is an amenable number.

1693943044 is a deficient number, since it is larger than the sum of its proper divisors (1488143612).

1693943044 is a wasteful number, since it uses less digits than its factorization.

1693943044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5116 (or 5114 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 1693943044 is about 41157.5393336385. The cubic root of 1693943044 is about 1192.0640786912.

The spelling of 1693943044 in words is "one billion, six hundred ninety-three million, nine hundred forty-three thousand, forty-four".