25344324343 has 16 divisors (see below), whose sum is σ = 28252349440. Its totient is φ = 22583183616.

The previous prime is 25344324323. The next prime is 25344324361. The reversal of 25344324343 is 34342344352.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25344324343 - 2²⁹ = 24807453431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25344324323) 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, 146358 + ... + 268531.

It is an arithmetic number, because the mean of its divisors is an integer number (1765771840).

Almost surely, 2^25344324343 is an apocalyptic number.

25344324343 is a deficient number, since it is larger than the sum of its proper divisors (2908025097).

25344324343 is a wasteful number, since it uses less digits than its factorization.

25344324343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415066.

The product of its digits is 414720, while the sum is 37.

Adding to 25344324343 its reverse (34342344352), we get a palindrome (59686668695).

The spelling of 25344324343 in words is "twenty-five billion, three hundred forty-four million, three hundred twenty-four thousand, three hundred forty-three".