1693096820 has 12 divisors (see below), whose sum is σ = 3555503364. Its totient is φ = 677238720.

The previous prime is 1693096813. The next prime is 1693096841. The reversal of 1693096820 is 286903961.

It can be written as a sum of positive squares in 2 ways, for example, as 1239321616 + 453775204 = 35204^2 + 21302^2 .

It is a super-2 number, since 2×1693096820² = 5733153683788224800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42327401 + ... + 42327440.

It is an arithmetic number, because the mean of its divisors is an integer number (296291947).

Almost surely, 2^1693096820 is an apocalyptic number.

1693096820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1693096820 is an abundant number, since it is smaller than the sum of its proper divisors (1862406544).

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

1693096820 is a wasteful number, since it uses less digits than its factorization.

1693096820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84654850 (or 84654848 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 1693096820 is about 41147.2577458085. The cubic root of 1693096820 is about 1191.8655436302.

The spelling of 1693096820 in words is "one billion, six hundred ninety-three million, ninety-six thousand, eight hundred twenty".