2980481581 has 8 divisors (see below), whose sum is σ = 3715925184. Its totient is φ = 2322453120.

The previous prime is 2980481549. The next prime is 2980481627. The reversal of 2980481581 is 1851840892.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2980481581 - 2⁵ = 2980481549 is a prime.

It is a super-2 number, since 2×2980481581² = 17766540909360519122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980481521) 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, 19353700 + ... + 19353853.

It is an arithmetic number, because the mean of its divisors is an integer number (464490648).

Almost surely, 2^2980481581 is an apocalyptic number.

It is an amenable number.

2980481581 is a deficient number, since it is larger than the sum of its proper divisors (735443603).

2980481581 is a wasteful number, since it uses less digits than its factorization.

2980481581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38707571.

The product of its (nonzero) digits is 184320, while the sum is 46.

The square root of 2980481581 is about 54593.7870183046. The cubic root of 2980481581 is about 1439.1149366121.

The spelling of 2980481581 in words is "two billion, nine hundred eighty million, four hundred eighty-one thousand, five hundred eighty-one".