2730022919 has 4 divisors (see below), whose sum is σ = 2940024696. Its totient is φ = 2520021144.

The previous prime is 2730022891. The next prime is 2730022921. The reversal of 2730022919 is 9192200372.

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 2730022919 - 2²⁰ = 2728974343 is a prime.

It is a super-2 number, since 2×2730022919² = 14906050276530561122, 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 (2730022949) 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, 105000869 + ... + 105000894.

It is an arithmetic number, because the mean of its divisors is an integer number (735006174).

Almost surely, 2^2730022919 is an apocalyptic number.

2730022919 is a deficient number, since it is larger than the sum of its proper divisors (210001777).

2730022919 is a wasteful number, since it uses less digits than its factorization.

2730022919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210001776.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 2730022919 is about 52249.6212330769. The cubic root of 2730022919 is about 1397.6188979563.

The spelling of 2730022919 in words is "two billion, seven hundred thirty million, twenty-two thousand, nine hundred nineteen".