2113490281 has 8 divisors (see below), whose sum is σ = 2415861504. Its totient is φ = 1811230080.

The previous prime is 2113490273. The next prime is 2113490329. The reversal of 2113490281 is 1820943112.

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 2113490281 - 2³ = 2113490273 is a prime.

It is a super-2 number, since 2×2113490281² = 8933682335762917922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113490581) 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, 18096 + ... + 67486.

It is an arithmetic number, because the mean of its divisors is an integer number (301982688).

Almost surely, 2^2113490281 is an apocalyptic number.

It is an amenable number.

2113490281 is a deficient number, since it is larger than the sum of its proper divisors (302371223).

2113490281 is an equidigital number, since it uses as much as digits as its factorization.

2113490281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55511.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2113490281 is about 45972.7123520029. The cubic root of 2113490281 is about 1283.3154367700.

The spelling of 2113490281 in words is "two billion, one hundred thirteen million, four hundred ninety thousand, two hundred eighty-one".