1853361213 has 16 divisors (see below), whose sum is σ = 2837683200. Its totient is φ = 1064130480.

The previous prime is 1853361197. The next prime is 1853361217. The reversal of 1853361213 is 3121633581.

It is not a de Polignac number, because 1853361213 - 2⁴ = 1853361197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1853361217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1477333 + ... + 1478586.

It is an arithmetic number, because the mean of its divisors is an integer number (177355200).

Almost surely, 2^1853361213 is an apocalyptic number.

It is an amenable number.

1853361213 is a deficient number, since it is larger than the sum of its proper divisors (984321987).

1853361213 is a wasteful number, since it uses less digits than its factorization.

1853361213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955952.

The product of its digits is 12960, while the sum is 33.

The square root of 1853361213 is about 43050.6819109756. The cubic root of 1853361213 is about 1228.3440409857.

Adding to 1853361213 its reverse (3121633581), we get a palindrome (4974994794).

The spelling of 1853361213 in words is "one billion, eight hundred fifty-three million, three hundred sixty-one thousand, two hundred thirteen".