2971442565 has 144 divisors (see below), whose sum is σ = 6734302848. Its totient is φ = 1199100672.

The previous prime is 2971442549. The next prime is 2971442627. The reversal of 2971442565 is 5652441792.

It is not a de Polignac number, because 2971442565 - 2⁴ = 2971442549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2971442565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 657042 + ... + 661548.

It is an arithmetic number, because the mean of its divisors is an integer number (46765992).

Almost surely, 2^2971442565 is an apocalyptic number.

It is an amenable number.

2971442565 is an abundant number, since it is smaller than the sum of its proper divisors (3762860283).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2971442565 is a wasteful number, since it uses less digits than its factorization.

2971442565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568 (or 4558 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 2971442565 is about 54510.9398653151. The cubic root of 2971442565 is about 1437.6586445201.

The spelling of 2971442565 in words is "two billion, nine hundred seventy-one million, four hundred forty-two thousand, five hundred sixty-five".