2043505344542 has 16 divisors (see below), whose sum is σ = 3153414382560. Its totient is φ = 992741554272.

The previous prime is 2043505344469. The next prime is 2043505344547. The reversal of 2043505344542 is 2454435053402.

It is a self number, because there is not a number n which added to its sum of digits gives 2043505344542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043505344547) 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 7 ways as a sum of consecutive naturals, for example, 93573317 + ... + 93595152.

It is an arithmetic number, because the mean of its divisors is an integer number (197088398910).

Almost surely, 2^{2043505344542} is an apocalyptic number.

2043505344542 is a deficient number, since it is larger than the sum of its proper divisors (1109909038018).

2043505344542 is a wasteful number, since it uses less digits than its factorization.

2043505344542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187168627.

The product of its (nonzero) digits is 1152000, while the sum is 41.

The spelling of 2043505344542 in words is "two trillion, forty-three billion, five hundred five million, three hundred forty-four thousand, five hundred forty-two".