2353313245421 has 4 divisors (see below), whose sum is σ = 2377574206812. Its totient is φ = 2329052284032.

The previous prime is 2353313245411. The next prime is 2353313245427. The reversal of 2353313245421 is 1245423133532.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 698645222500 + 1654668022921 = 835850^2 + 1286339^2 .

It is a cyclic number.

It is not a de Polignac number, because 2353313245421 - 2¹⁸ = 2353312983277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2353313245427) 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, 12130480550 + ... + 12130480743.

It is an arithmetic number, because the mean of its divisors is an integer number (594393551703).

Almost surely, 2^{2353313245421} is an apocalyptic number.

It is an amenable number.

2353313245421 is a deficient number, since it is larger than the sum of its proper divisors (24260961391).

2353313245421 is an equidigital number, since it uses as much as digits as its factorization.

2353313245421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24260961390.

The product of its digits is 259200, while the sum is 38.

Adding to 2353313245421 its reverse (1245423133532), we get a palindrome (3598736378953).

The spelling of 2353313245421 in words is "two trillion, three hundred fifty-three billion, three hundred thirteen million, two hundred forty-five thousand, four hundred twenty-one".