2081442553 has 8 divisors (see below), whose sum is σ = 2125569600. Its totient is φ = 2037495408.

The previous prime is 2081442547. The next prime is 2081442577. The reversal of 2081442553 is 3552441802.

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 2081442553 - 2⁵ = 2081442521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2081442353) 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, 21463 + ... + 67996.

It is an arithmetic number, because the mean of its divisors is an integer number (265696200).

Almost surely, 2^2081442553 is an apocalyptic number.

It is an amenable number.

2081442553 is a deficient number, since it is larger than the sum of its proper divisors (44127047).

2081442553 is an equidigital number, since it uses as much as digits as its factorization.

2081442553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89951.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 2081442553 is about 45622.8292963073. The cubic root of 2081442553 is about 1276.7958909598.

The spelling of 2081442553 in words is "two billion, eighty-one million, four hundred forty-two thousand, five hundred fifty-three".