1693047442 has 16 divisors (see below), whose sum is σ = 2746172160. Its totient is φ = 779775808.

The previous prime is 1693047439. The next prime is 1693047449. The reversal of 1693047442 is 2447403961.

It is a junction number, because it is equal to n+sod(n) for n = 1693047395 and 1693047404.

It is not an unprimeable number, because it can be changed into a prime (1693047449) 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, 528142 + ... + 531337.

It is an arithmetic number, because the mean of its divisors is an integer number (171635760).

Almost surely, 2^1693047442 is an apocalyptic number.

1693047442 is a deficient number, since it is larger than the sum of its proper divisors (1053124718).

1693047442 is a wasteful number, since it uses less digits than its factorization.

1693047442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059545.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1693047442 is about 41146.6577257497. The cubic root of 1693047442 is about 1191.8539568723.

The spelling of 1693047442 in words is "one billion, six hundred ninety-three million, forty-seven thousand, four hundred forty-two".