1683428815 has 16 divisors (see below), whose sum is σ = 2064752640. Its totient is φ = 1317284640.

The previous prime is 1683428783. The next prime is 1683428819. The reversal of 1683428815 is 5188243861.

It is not a de Polignac number, because 1683428815 - 2⁵ = 1683428783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683428819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26416 + ... + 63754.

It is an arithmetic number, because the mean of its divisors is an integer number (129047040).

Almost surely, 2^1683428815 is an apocalyptic number.

1683428815 is a deficient number, since it is larger than the sum of its proper divisors (381323825).

1683428815 is a wasteful number, since it uses less digits than its factorization.

1683428815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37542.

The product of its digits is 368640, while the sum is 46.

The square root of 1683428815 is about 41029.6090037427. The cubic root of 1683428815 is about 1189.5925952791.

The spelling of 1683428815 in words is "one billion, six hundred eighty-three million, four hundred twenty-eight thousand, eight hundred fifteen".