42474165643 has 24 divisors (see below), whose sum is σ = 53592307440. Its totient is φ = 33364094400.

The previous prime is 42474165641. The next prime is 42474165647. The reversal of 42474165643 is 34656147424.

42474165643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42474165643 - 2¹ = 42474165641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42474165593 and 42474165602.

It is not an unprimeable number, because it can be changed into a prime (42474165641) 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, 151308 + ... + 328393.

It is an arithmetic number, because the mean of its divisors is an integer number (2233012810).

Almost surely, 2^42474165643 is an apocalyptic number.

42474165643 is a deficient number, since it is larger than the sum of its proper divisors (11118141797).

42474165643 is a wasteful number, since it uses less digits than its factorization.

42474165643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479867 (or 479860 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 46.

The spelling of 42474165643 in words is "forty-two billion, four hundred seventy-four million, one hundred sixty-five thousand, six hundred forty-three".