2972616811 has 4 divisors (see below), whose sum is σ = 2977114624. Its totient is φ = 2968119000.

The previous prime is 2972616799. The next prime is 2972616817. The reversal of 2972616811 is 1186162792.

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 2972616811 - 2⁹ = 2972616299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2972616817) 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, 2247915 + ... + 2249236.

It is an arithmetic number, because the mean of its divisors is an integer number (744278656).

Almost surely, 2^2972616811 is an apocalyptic number.

2972616811 is a deficient number, since it is larger than the sum of its proper divisors (4497813).

2972616811 is an equidigital number, since it uses as much as digits as its factorization.

2972616811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4497812.

The product of its digits is 72576, while the sum is 43.

The square root of 2972616811 is about 54521.7095384948. The cubic root of 2972616811 is about 1437.8479961622.

The spelling of 2972616811 in words is "two billion, nine hundred seventy-two million, six hundred sixteen thousand, eight hundred eleven".