1693850005820 has 24 divisors (see below), whose sum is σ = 4065240014304. Its totient is φ = 580748573376.

The previous prime is 1693850005817. The next prime is 1693850005877. The reversal of 1693850005820 is 285000583961.

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, 6049464167 + ... + 6049464446.

It is an arithmetic number, because the mean of its divisors is an integer number (169385000596).

Almost surely, 2^{1693850005820} is an apocalyptic number.

1693850005820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1693850005820 is an abundant number, since it is smaller than the sum of its proper divisors (2371390008484).

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

1693850005820 is a wasteful number, since it uses less digits than its factorization.

1693850005820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12098928629 (or 12098928627 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 1693850005820 in words is "one trillion, six hundred ninety-three billion, eight hundred fifty million, five thousand, eight hundred twenty".