2920559081 has 16 divisors (see below), whose sum is σ = 3390647040. Its totient is φ = 2486158080.

The previous prime is 2920559077. The next prime is 2920559087. The reversal of 2920559081 is 1809550292.

It is a cyclic number.

It is not a de Polignac number, because 2920559081 - 2² = 2920559077 is a prime.

It is a super-2 number, since 2×2920559081² = 17059330691223129122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2920559087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2801 + ... + 76478.

It is an arithmetic number, because the mean of its divisors is an integer number (211915440).

Almost surely, 2^2920559081 is an apocalyptic number.

It is an amenable number.

2920559081 is a deficient number, since it is larger than the sum of its proper divisors (470087959).

2920559081 is a wasteful number, since it uses less digits than its factorization.

2920559081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79504.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 2920559081 is about 54042.1972258716. The cubic root of 2920559081 is about 1429.4051156591.

The spelling of 2920559081 in words is "two billion, nine hundred twenty million, five hundred fifty-nine thousand, eighty-one".