1693671042 has 16 divisors (see below), whose sum is σ = 3871248192. Its totient is φ = 483906000.

The previous prime is 1693671037. The next prime is 1693671071. The reversal of 1693671042 is 2401763961.

1693671042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20162709 + ... + 20162792.

It is an arithmetic number, because the mean of its divisors is an integer number (241953012).

Almost surely, 2^1693671042 is an apocalyptic number.

1693671042 is an abundant number, since it is smaller than the sum of its proper divisors (2177577150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1693671042 is a wasteful number, since it uses less digits than its factorization.

1693671042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40325513.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1693671042 is about 41154.2348003216. The cubic root of 1693671042 is about 1192.0002707272. Note that the first 3 decimals are identical.

It can be divided in two parts, 16936 and 71042, that added together give a palindrome (87978).

The spelling of 1693671042 in words is "one billion, six hundred ninety-three million, six hundred seventy-one thousand, forty-two".