1942993812 has 48 divisors (see below), whose sum is σ = 4611801600. Its totient is φ = 636581088.

The previous prime is 1942993783. The next prime is 1942993817. The reversal of 1942993812 is 2183992491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1942993817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193303 + ... + 203105.

It is an arithmetic number, because the mean of its divisors is an integer number (96079200).

Almost surely, 2^1942993812 is an apocalyptic number.

1942993812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1942993812 is an abundant number, since it is smaller than the sum of its proper divisors (2668807788).

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

1942993812 is a wasteful number, since it uses less digits than its factorization.

1942993812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10092 (or 10090 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 1942993812 is about 44079.4034896118. The cubic root of 1942993812 is about 1247.8349320430.

The spelling of 1942993812 in words is "one billion, nine hundred forty-two million, nine hundred ninety-three thousand, eight hundred twelve".