1684713445 has 8 divisors (see below), whose sum is σ = 2086871040. Its totient is φ = 1304294160.

The previous prime is 1684713419. The next prime is 1684713479. The reversal of 1684713445 is 5443174861.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1684713445 - 2⁹ = 1684712933 is a prime.

It is a congruent number.

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, 5434405 + ... + 5434714.

It is an arithmetic number, because the mean of its divisors is an integer number (260858880).

Almost surely, 2^1684713445 is an apocalyptic number.

It is an amenable number.

1684713445 is a deficient number, since it is larger than the sum of its proper divisors (402157595).

1684713445 is a wasteful number, since it uses less digits than its factorization.

1684713445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869155.

The product of its digits is 322560, while the sum is 43.

The square root of 1684713445 is about 41045.2609322928. The cubic root of 1684713445 is about 1189.8951123334.

The spelling of 1684713445 in words is "one billion, six hundred eighty-four million, seven hundred thirteen thousand, four hundred forty-five".