42435500873 has 8 divisors (see below), whose sum is σ = 43731162888. Its totient is φ = 41147668224.

The previous prime is 42435500869. The next prime is 42435500879. The reversal of 42435500873 is 37800553424.

42435500873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 23789052169 + 18646448704 = 154237^2 + 136552^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42435500873 - 2² = 42435500869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42435500873.

It is not an unprimeable number, because it can be changed into a prime (42435500879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946336 + ... + 1968017.

It is an arithmetic number, because the mean of its divisors is an integer number (5466395361).

Almost surely, 2^42435500873 is an apocalyptic number.

It is an amenable number.

42435500873 is a deficient number, since it is larger than the sum of its proper divisors (1295662015).

42435500873 is a wasteful number, since it uses less digits than its factorization.

42435500873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914683.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 42435500873 in words is "forty-two billion, four hundred thirty-five million, five hundred thousand, eight hundred seventy-three".