42271983819 has 24 divisors (see below), whose sum is σ = 65808877680. Its totient is φ = 25992775872.

The previous prime is 42271983799. The next prime is 42271983821. The reversal of 42271983819 is 91838917224.

It is not a de Polignac number, because 42271983819 - 2¹² = 42271979723 is a prime.

It is a super-2 number, since 2×42271983819² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42271983829) 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, 3817 + ... + 290789.

It is an arithmetic number, because the mean of its divisors is an integer number (2742036570).

Almost surely, 2^42271983819 is an apocalyptic number.

42271983819 is a deficient number, since it is larger than the sum of its proper divisors (23536893861).

42271983819 is a wasteful number, since it uses less digits than its factorization.

42271983819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288251 (or 288248 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 42271983819 in words is "forty-two billion, two hundred seventy-one million, nine hundred eighty-three thousand, eight hundred nineteen".