2445110981 has 4 divisors (see below), whose sum is σ = 2486553600. Its totient is φ = 2403668364.

The previous prime is 2445110963. The next prime is 2445110989. The reversal of 2445110981 is 1890115442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2445110981 - 2⁶ = 2445110917 is a prime.

It is a super-2 number, since 2×2445110981² = 11957135418813564722, 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 (2445110989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20721221 + ... + 20721338.

It is an arithmetic number, because the mean of its divisors is an integer number (621638400).

Almost surely, 2^2445110981 is an apocalyptic number.

It is an amenable number.

2445110981 is a deficient number, since it is larger than the sum of its proper divisors (41442619).

2445110981 is an equidigital number, since it uses as much as digits as its factorization.

2445110981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41442618.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 2445110981 is about 49448.0634706760. The cubic root of 2445110981 is about 1347.2024336655.

The spelling of 2445110981 in words is "two billion, four hundred forty-five million, one hundred ten thousand, nine hundred eighty-one".