1853933242428 has 72 divisors (see below), whose sum is σ = 5072781431760. Its totient is φ = 585452590560.

The previous prime is 1853933242373. The next prime is 1853933242429. The reversal of 1853933242428 is 8242423393581.

1853933242428 is a `hidden beast` number, since 1 + 8 + 5 + 393 + 3 + 2 + 4 + 242 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1853933242429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23736703 + ... + 23814678.

Almost surely, 2^{1853933242428} is an apocalyptic number.

1853933242428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1853933242428 is an abundant number, since it is smaller than the sum of its proper divisors (3218848189332).

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

1853933242428 is a wasteful number, since it uses less digits than its factorization.

1853933242428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47551432 (or 47551405 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 54.

The spelling of 1853933242428 in words is "one trillion, eight hundred fifty-three billion, nine hundred thirty-three million, two hundred forty-two thousand, four hundred twenty-eight".