1693780992 has 264 divisors, whose sum is σ = 5460577200. Its totient is φ = 502530048.

The previous prime is 1693780987. The next prime is 1693780993. The reversal of 1693780992 is 2990873961.

It is not an unprimeable number, because it can be changed into a prime (1693780993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2976484 + ... + 2977052.

Almost surely, 2^1693780992 is an apocalyptic number.

1693780992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1693780992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2730288600).

1693780992 is an abundant number, since it is smaller than the sum of its proper divisors (3766796208).

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

1693780992 is a wasteful number, since it uses less digits than its factorization.

1693780992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 1693780992 is about 41155.5706071487. The cubic root of 1693780992 is about 1192.0260643220.

The spelling of 1693780992 in words is "one billion, six hundred ninety-three million, seven hundred eighty thousand, nine hundred ninety-two".