42173112490 has 8 divisors (see below), whose sum is σ = 75911602500. Its totient is φ = 16869244992.

The previous prime is 42173112467. The next prime is 42173112523. The reversal of 42173112490 is 9421137124.

It can be written as a sum of positive squares in 2 ways, for example, as 41880394609 + 292717881 = 204647^2 + 17109^2 .

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

It is a super-3 number, since 3×42173112490³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2108655615 + ... + 2108655634.

Almost surely, 2^42173112490 is an apocalyptic number.

42173112490 is a deficient number, since it is larger than the sum of its proper divisors (33738490010).

42173112490 is a wasteful number, since it uses less digits than its factorization.

42173112490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4217311256.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 42173112490 in words is "forty-two billion, one hundred seventy-three million, one hundred twelve thousand, four hundred ninety".