1684007542242 has 24 divisors (see below), whose sum is σ = 3648871234944. Its totient is φ = 561306889464.

The previous prime is 1684007542241. The next prime is 1684007542253. The reversal of 1684007542242 is 2422457004861.

1684007542242 is a `hidden beast` number, since 1 + 6 + 84 + 0 + 0 + 7 + 542 + 24 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (1684007542241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2053098 + ... + 2753765.

It is an arithmetic number, because the mean of its divisors is an integer number (152036301456).

Almost surely, 2^{1684007542242} is an apocalyptic number.

1684007542242 is an abundant number, since it is smaller than the sum of its proper divisors (1964863692702).

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

1684007542242 is a wasteful number, since it uses less digits than its factorization.

1684007542242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4826334 (or 4826331 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 1684007542242 in words is "one trillion, six hundred eighty-four billion, seven million, five hundred forty-two thousand, two hundred forty-two".