6422145919 has 8 divisors (see below), whose sum is σ = 7344038048. Its totient is φ = 5501364480.

The previous prime is 6422145911. The next prime is 6422145937. The reversal of 6422145919 is 9195412246.

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 6422145919 - 2³ = 6422145911 is a prime.

It is a super-2 number, since 2×6422145919² = 82487916409856709122, which 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 (6422145911) 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, 265242 + ... + 288439.

It is an arithmetic number, because the mean of its divisors is an integer number (918004756).

Almost surely, 2^6422145919 is an apocalyptic number.

6422145919 is a deficient number, since it is larger than the sum of its proper divisors (921892129).

6422145919 is a wasteful number, since it uses less digits than its factorization.

6422145919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555345.

The product of its digits is 155520, while the sum is 43.

The square root of 6422145919 is about 80138.2924637155. The cubic root of 6422145919 is about 1858.7745733147.

The spelling of 6422145919 in words is "six billion, four hundred twenty-two million, one hundred forty-five thousand, nine hundred nineteen".