25413478343 has 8 divisors (see below), whose sum is σ = 28929177216. Its totient is φ = 22098676600.

The previous prime is 25413478309. The next prime is 25413478351. The reversal of 25413478343 is 34387431452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25413478343 - 2³² = 21118511047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25413478294 and 25413478303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25413478243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50224013 + ... + 50224518.

It is an arithmetic number, because the mean of its divisors is an integer number (3616147152).

Almost surely, 2^25413478343 is an apocalyptic number.

25413478343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

25413478343 is a deficient number, since it is larger than the sum of its proper divisors (3515698873).

25413478343 is a wasteful number, since it uses less digits than its factorization.

25413478343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100448565.

The product of its digits is 967680, while the sum is 44.

The spelling of 25413478343 in words is "twenty-five billion, four hundred thirteen million, four hundred seventy-eight thousand, three hundred forty-three".