42811381794 has 16 divisors (see below), whose sum is σ = 85624876800. Its totient is φ = 14270108400.

The previous prime is 42811381777. The next prime is 42811381829. The reversal of 42811381794 is 49718311824.

42811381794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42811381794² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322744 + ... + 435644.

It is an arithmetic number, because the mean of its divisors is an integer number (5351554800).

Almost surely, 2^42811381794 is an apocalyptic number.

42811381794 is an abundant number, since it is smaller than the sum of its proper divisors (42813495006).

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

42811381794 is a wasteful number, since it uses less digits than its factorization.

42811381794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176105.

The product of its digits is 387072, while the sum is 48.

The spelling of 42811381794 in words is "forty-two billion, eight hundred eleven million, three hundred eighty-one thousand, seven hundred ninety-four".