1813245353 has 4 divisors (see below), whose sum is σ = 1814914560. Its totient is φ = 1811576148.

The previous prime is 1813245257. The next prime is 1813245391. The reversal of 1813245353 is 3535423181.

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 1813245353 - 2¹² = 1813241257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1813265353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832973 + ... + 835146.

It is an arithmetic number, because the mean of its divisors is an integer number (453728640).

Almost surely, 2^1813245353 is an apocalyptic number.

It is an amenable number.

1813245353 is a deficient number, since it is larger than the sum of its proper divisors (1669207).

1813245353 is a wasteful number, since it uses less digits than its factorization.

1813245353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669206.

The product of its digits is 43200, while the sum is 35.

The square root of 1813245353 is about 42582.2187420994. The cubic root of 1813245353 is about 1219.4168477458.

The spelling of 1813245353 in words is "one billion, eight hundred thirteen million, two hundred forty-five thousand, three hundred fifty-three".