2979740566 has 16 divisors (see below), whose sum is σ = 4955874768. Its totient is φ = 1332223200.

The previous prime is 2979740563. The next prime is 2979740593. The reversal of 2979740566 is 6650479792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979740563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1108845 + ... + 1111528.

It is an arithmetic number, because the mean of its divisors is an integer number (309742173).

Almost surely, 2^2979740566 is an apocalyptic number.

2979740566 is a deficient number, since it is larger than the sum of its proper divisors (1976134202).

2979740566 is a wasteful number, since it uses less digits than its factorization.

2979740566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220447.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The square root of 2979740566 is about 54586.9999725209. Note that the first 4 decimals coincide. The cubic root of 2979740566 is about 1438.9956612405.

The spelling of 2979740566 in words is "two billion, nine hundred seventy-nine million, seven hundred forty thousand, five hundred sixty-six".