2972668159 has 4 divisors (see below), whose sum is σ = 2983719240. Its totient is φ = 2961617080.

The previous prime is 2972668121. The next prime is 2972668183. The reversal of 2972668159 is 9518662792.

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 2972668159 - 2⁹ = 2972667647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2972668459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5525137 + ... + 5525674.

It is an arithmetic number, because the mean of its divisors is an integer number (745929810).

Almost surely, 2^2972668159 is an apocalyptic number.

2972668159 is a deficient number, since it is larger than the sum of its proper divisors (11051081).

2972668159 is a wasteful number, since it uses less digits than its factorization.

2972668159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11051080.

The product of its digits is 3265920, while the sum is 55.

The square root of 2972668159 is about 54522.1804314538. The cubic root of 2972668159 is about 1437.8562750848.

The spelling of 2972668159 in words is "two billion, nine hundred seventy-two million, six hundred sixty-eight thousand, one hundred fifty-nine".