972182019 has 4 divisors (see below), whose sum is σ = 1296242696. Its totient is φ = 648121344.

The previous prime is 972182017. The next prime is 972182023. The reversal of 972182019 is 910281279.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 972182019 - 2¹ = 972182017 is a prime.

It is a super-3 number, since 3×972182019³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (972182011) 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, 162030334 + ... + 162030339.

It is an arithmetic number, because the mean of its divisors is an integer number (324060674).

Almost surely, 2^972182019 is an apocalyptic number.

972182019 is a deficient number, since it is larger than the sum of its proper divisors (324060677).

972182019 is a wasteful number, since it uses less digits than its factorization.

972182019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324060676.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 972182019 is about 31179.8335306653. The cubic root of 972182019 is about 990.6400034733.

The spelling of 972182019 in words is "nine hundred seventy-two million, one hundred eighty-two thousand, nineteen".