25343422434353 has 4 divisors (see below), whose sum is σ = 25343483239668. Its totient is φ = 25343361629040.

The previous prime is 25343422434313. The next prime is 25343422434389. The reversal of 25343422434353 is 35343422434352.

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 22665902200384 + 2677520233969 = 4760872^2 + 1636313^2 .

It is a cyclic number.

It is not a de Polignac number, because 25343422434353 - 2⁶ = 25343422434289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25343422434298 and 25343422434307.

It is not an unprimeable number, because it can be changed into a prime (25343422434313) 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, 29773118 + ... + 30612503.

It is an arithmetic number, because the mean of its divisors is an integer number (6335870809917).

Almost surely, 2^{25343422434353} is an apocalyptic number.

It is an amenable number.

25343422434353 is a deficient number, since it is larger than the sum of its proper divisors (60805315).

25343422434353 is an equidigital number, since it uses as much as digits as its factorization.

25343422434353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60805314.

The product of its digits is 12441600, while the sum is 47.

Subtracting 25343422434353 from its reverse (35343422434352), we obtain a palindrome (9999999999999).

The spelling of 25343422434353 in words is "twenty-five trillion, three hundred forty-three billion, four hundred twenty-two million, four hundred thirty-four thousand, three hundred fifty-three".