42811381743 has 16 divisors (see below), whose sum is σ = 61478731776. Its totient is φ = 26342903520.

The previous prime is 42811381733. The next prime is 42811381777. The reversal of 42811381743 is 34718311824.

It is not a de Polignac number, because 42811381743 - 2²¹ = 42809284591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42811381695 and 42811381704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42811381733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401938 + ... + 497168.

It is an arithmetic number, because the mean of its divisors is an integer number (3842420736).

Almost surely, 2^42811381743 is an apocalyptic number.

42811381743 is a deficient number, since it is larger than the sum of its proper divisors (18667350033).

42811381743 is a wasteful number, since it uses less digits than its factorization.

42811381743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106774.

The product of its digits is 129024, while the sum is 42.

The spelling of 42811381743 in words is "forty-two billion, eight hundred eleven million, three hundred eighty-one thousand, seven hundred forty-three".