2971772516 has 12 divisors (see below), whose sum is σ = 5506519788. Its totient is φ = 1398481152.

The previous prime is 2971772497. The next prime is 2971772603. The reversal of 2971772516 is 6152771792.

It can be written as a sum of positive squares in 2 ways, for example, as 2520040000 + 451732516 = 50200^2 + 21254^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21851201 + ... + 21851336.

It is an arithmetic number, because the mean of its divisors is an integer number (458876649).

Almost surely, 2^2971772516 is an apocalyptic number.

It is an amenable number.

2971772516 is a deficient number, since it is larger than the sum of its proper divisors (2534747272).

2971772516 is a wasteful number, since it uses less digits than its factorization.

2971772516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43702558 (or 43702556 counting only the distinct ones).

The product of its digits is 370440, while the sum is 47.

The square root of 2971772516 is about 54513.9662471921. The cubic root of 2971772516 is about 1437.7118554146.

The spelling of 2971772516 in words is "two billion, nine hundred seventy-one million, seven hundred seventy-two thousand, five hundred sixteen".