2972217823 has 8 divisors (see below), whose sum is σ = 3129365120. Its totient is φ = 2815142040.

The previous prime is 2972217821. The next prime is 2972217827. The reversal of 2972217823 is 3287122792.

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 2972217823 - 2¹ = 2972217821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2972217823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972217821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81718 + ... + 112348.

It is an arithmetic number, because the mean of its divisors is an integer number (391170640).

Almost surely, 2^2972217823 is an apocalyptic number.

2972217823 is a deficient number, since it is larger than the sum of its proper divisors (157147297).

2972217823 is a wasteful number, since it uses less digits than its factorization.

2972217823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35757.

The product of its digits is 169344, while the sum is 43.

The square root of 2972217823 is about 54518.0504328612. The cubic root of 2972217823 is about 1437.7836634208.

The spelling of 2972217823 in words is "two billion, nine hundred seventy-two million, two hundred seventeen thousand, eight hundred twenty-three".