1933811142 has 48 divisors (see below), whose sum is σ = 4040062416. Its totient is φ = 616636800.

The previous prime is 1933811129. The next prime is 1933811189. The reversal of 1933811142 is 2411183391.

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 23 ways as a sum of consecutive naturals, for example, 824892 + ... + 827232.

It is an arithmetic number, because the mean of its divisors is an integer number (84167967).

Almost surely, 2^1933811142 is an apocalyptic number.

1933811142 is an abundant number, since it is smaller than the sum of its proper divisors (2106251274).

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

1933811142 is a wasteful number, since it uses less digits than its factorization.

1933811142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505 (or 2444 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 1933811142 is about 43975.1195791438. The cubic root of 1933811142 is about 1245.8660537555.

The spelling of 1933811142 in words is "one billion, nine hundred thirty-three million, eight hundred eleven thousand, one hundred forty-two".