2543353420353 has 4 divisors (see below), whose sum is σ = 3391137893808. Its totient is φ = 1695568946900.

The previous prime is 2543353420313. The next prime is 2543353420381. The reversal of 2543353420353 is 3530243533452.

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 2543353420353 - 2¹³ = 2543353412161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2543353420303) 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, 423892236723 + ... + 423892236728.

It is an arithmetic number, because the mean of its divisors is an integer number (847784473452).

Almost surely, 2^{2543353420353} is an apocalyptic number.

It is an amenable number.

2543353420353 is a deficient number, since it is larger than the sum of its proper divisors (847784473455).

2543353420353 is an equidigital number, since it uses as much as digits as its factorization.

2543353420353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847784473454.

The product of its (nonzero) digits is 1944000, while the sum is 42.

The spelling of 2543353420353 in words is "two trillion, five hundred forty-three billion, three hundred fifty-three million, four hundred twenty thousand, three hundred fifty-three".