42142419571 has 16 divisors (see below), whose sum is σ = 49767808000. Its totient is φ = 35664809544.

The previous prime is 42142419533. The next prime is 42142419611. The reversal of 42142419571 is 17591424124.

It is not a de Polignac number, because 42142419571 - 2¹³ = 42142411379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42142419871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750525 + ... + 804718.

It is an arithmetic number, because the mean of its divisors is an integer number (3110488000).

Almost surely, 2^42142419571 is an apocalyptic number.

42142419571 is a deficient number, since it is larger than the sum of its proper divisors (7625388429).

42142419571 is an equidigital number, since it uses as much as digits as its factorization.

42142419571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555343 (or 1555329 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The spelling of 42142419571 in words is "forty-two billion, one hundred forty-two million, four hundred nineteen thousand, five hundred seventy-one".