2345540221333 has 4 divisors (see below), whose sum is σ = 2345545927008. Its totient is φ = 2345534515660.

The previous prime is 2345540221267. The next prime is 2345540221351. The reversal of 2345540221333 is 3331220455432.

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 2345540221333 - 2²⁹ = 2345003350421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2345540221292 and 2345540221301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2345540221363) 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, 2183923 + ... + 3075808.

It is an arithmetic number, because the mean of its divisors is an integer number (586386481752).

Almost surely, 2^{2345540221333} is an apocalyptic number.

It is an amenable number.

2345540221333 is a deficient number, since it is larger than the sum of its proper divisors (5705675).

2345540221333 is an equidigital number, since it uses as much as digits as its factorization.

2345540221333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5705674.

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 2345540221333 its reverse (3331220455432), we get a palindrome (5676760676765).

The spelling of 2345540221333 in words is "two trillion, three hundred forty-five billion, five hundred forty million, two hundred twenty-one thousand, three hundred thirty-three".