2968064581 has 4 divisors (see below), whose sum is σ = 2973761964. Its totient is φ = 2962367200.

The previous prime is 2968064573. The next prime is 2968064597. The reversal of 2968064581 is 1854608692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 800324100 + 2167740481 = 28290^2 + 46559^2 .

It is a cyclic number.

It is not a de Polignac number, because 2968064581 - 2³ = 2968064573 is a prime.

It is a super-2 number, since 2×2968064581² = 17618814713973411122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2968064521) by changing a digit.

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, 2847910 + ... + 2848951.

It is an arithmetic number, because the mean of its divisors is an integer number (743440491).

Almost surely, 2^2968064581 is an apocalyptic number.

It is an amenable number.

2968064581 is a deficient number, since it is larger than the sum of its proper divisors (5697383).

2968064581 is an equidigital number, since it uses as much as digits as its factorization.

2968064581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5697382.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2968064581 is about 54479.9465950546. The cubic root of 2968064581 is about 1437.1136534112.

The spelling of 2968064581 in words is "two billion, nine hundred sixty-eight million, sixty-four thousand, five hundred eighty-one".