2652981081 has 8 divisors (see below), whose sum is σ = 3582084480. Its totient is φ = 1746265872.

The previous prime is 2652981049. The next prime is 2652981109. The reversal of 2652981081 is 1801892562.

It is a happy number.

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

It is not a de Polignac number, because 2652981081 - 2⁵ = 2652981049 is a prime.

It is a super-2 number, since 2×2652981081² = 14076617232287857122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2652981011) 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, 5596770 + ... + 5597243.

It is an arithmetic number, because the mean of its divisors is an integer number (447760560).

Almost surely, 2^2652981081 is an apocalyptic number.

It is an amenable number.

2652981081 is a deficient number, since it is larger than the sum of its proper divisors (929103399).

2652981081 is a wasteful number, since it uses less digits than its factorization.

2652981081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11194095.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 2652981081 is about 51507.0973847294. The cubic root of 2652981081 is about 1384.3462150839.

The spelling of 2652981081 in words is "two billion, six hundred fifty-two million, nine hundred eighty-one thousand, eighty-one".