3881745851742 has 48 divisors (see below), whose sum is σ = 9175273555968. Its totient is φ = 1176256121040.

The previous prime is 3881745851741. The next prime is 3881745851791. The reversal of 3881745851742 is 2471585471883.

3881745851742 is a `hidden beast` number, since 3 + 8 + 8 + 1 + 7 + 4 + 585 + 1 + 7 + 42 = 666.

3881745851742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3881745851742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881745851741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8091363 + ... + 8557665.

It is an arithmetic number, because the mean of its divisors is an integer number (191151532416).

Almost surely, 2^{3881745851742} is an apocalyptic number.

3881745851742 is an abundant number, since it is smaller than the sum of its proper divisors (5293527704226).

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

3881745851742 is a wasteful number, since it uses less digits than its factorization.

3881745851742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508365 (or 508362 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 63.

The spelling of 3881745851742 in words is "three trillion, eight hundred eighty-one billion, seven hundred forty-five million, eight hundred fifty-one thousand, seven hundred forty-two".