1993051242 has 48 divisors (see below), whose sum is σ = 5314807680. Its totient is φ = 525639456.

The previous prime is 1993051201. The next prime is 1993051243. The reversal of 1993051242 is 2421503991.

1993051242 is a `hidden beast` number, since 19 + 93 + 0 + 512 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1993051197 and 1993051206.

It is not an unprimeable number, because it can be changed into a prime (1993051243) by changing a digit.

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, 606742 + ... + 610017.

It is an arithmetic number, because the mean of its divisors is an integer number (110725160).

Almost surely, 2^1993051242 is an apocalyptic number.

1993051242 is an abundant number, since it is smaller than the sum of its proper divisors (3321756438).

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

1993051242 is a wasteful number, since it uses less digits than its factorization.

1993051242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216787 (or 1216784 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 1993051242 is about 44643.6024756067. The cubic root of 1993051242 is about 1258.4602090022.

The spelling of 1993051242 in words is "one billion, nine hundred ninety-three million, fifty-one thousand, two hundred forty-two".