2681233245 has 90 divisors (see below), whose sum is σ = 5026961214. Its totient is φ = 1367189280.

The previous prime is 2681233213. The next prime is 2681233267. The reversal of 2681233245 is 5423321862.

It can be written as a sum of positive squares in only one way, i.e., 2144986596 + 536246649 = 46314^2 + 23157^2 .

It is not a de Polignac number, because 2681233245 - 2⁵ = 2681233213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 32303974 + ... + 32304056.

Almost surely, 2^2681233245 is an apocalyptic number.

It is an amenable number.

2681233245 is a deficient number, since it is larger than the sum of its proper divisors (2345727969).

2681233245 is an frugal number, since it uses more digits than its factorization.

2681233245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 122 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 2681233245 is about 51780.6261549626. The cubic root of 2681233245 is about 1389.2429404005.

The spelling of 2681233245 in words is "two billion, six hundred eighty-one million, two hundred thirty-three thousand, two hundred forty-five".