42217371019 has 4 divisors (see below), whose sum is σ = 42218416296. Its totient is φ = 42216325744.

The previous prime is 42217371017. The next prime is 42217371059. The reversal of 42217371019 is 91017371224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42217371019 - 2¹ = 42217371017 is a prime.

It is a super-2 number, since 2×42217371019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42217371017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459514 + ... + 543679.

It is an arithmetic number, because the mean of its divisors is an integer number (10554604074).

Almost surely, 2^42217371019 is an apocalyptic number.

42217371019 is a deficient number, since it is larger than the sum of its proper divisors (1045277).

42217371019 is a wasteful number, since it uses less digits than its factorization.

42217371019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045276.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 42217371019 in words is "forty-two billion, two hundred seventeen million, three hundred seventy-one thousand, nineteen".