42722919419 has 6 divisors (see below), whose sum is σ = 45383862804. Its totient is φ = 40209806240.

The previous prime is 42722919373. The next prime is 42722919457. The reversal of 42722919419 is 91491922724.

It is a happy number.

It is not a de Polignac number, because 42722919419 - 2²⁰ = 42721870843 is a prime.

It is a super-2 number, since 2×42722919419² (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 (42722919479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73914797 + ... + 73915374.

It is an arithmetic number, because the mean of its divisors is an integer number (7563977134).

Almost surely, 2^42722919419 is an apocalyptic number.

42722919419 is a deficient number, since it is larger than the sum of its proper divisors (2660943385).

42722919419 is a wasteful number, since it uses less digits than its factorization.

42722919419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147830205 (or 147830188 counting only the distinct ones).

The product of its digits is 653184, while the sum is 50.

The spelling of 42722919419 in words is "forty-two billion, seven hundred twenty-two million, nine hundred nineteen thousand, four hundred nineteen".