42085702919 has 8 divisors (see below), whose sum is σ = 46428505872. Its totient is φ = 37900820160.

The previous prime is 42085702891. The next prime is 42085702921. The reversal of 42085702919 is 91920758024.

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 42085702919 - 2²⁰ = 42084654343 is a prime.

It is a super-2 number, since 2×42085702919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42085702999) 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, 39479489 + ... + 39480554.

It is an arithmetic number, because the mean of its divisors is an integer number (5803563234).

Almost surely, 2^42085702919 is an apocalyptic number.

42085702919 is a deficient number, since it is larger than the sum of its proper divisors (4342802953).

42085702919 is a wasteful number, since it uses less digits than its factorization.

42085702919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78960097.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 42085702919 in words is "forty-two billion, eighty-five million, seven hundred two thousand, nine hundred nineteen".