25842280043 has 4 divisors (see below), whose sum is σ = 25842781008. Its totient is φ = 25841779080.

The previous prime is 25842280007. The next prime is 25842280063. The reversal of 25842280043 is 34008224852.

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

It is a cyclic number.

It is not a de Polignac number, because 25842280043 - 2⁶ = 25842279979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25842279979 and 25842280006.

It is not an unprimeable number, because it can be changed into a prime (25842280063) 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, 162896 + ... + 279677.

It is an arithmetic number, because the mean of its divisors is an integer number (6460695252).

Almost surely, 2^25842280043 is an apocalyptic number.

25842280043 is a deficient number, since it is larger than the sum of its proper divisors (500965).

25842280043 is an equidigital number, since it uses as much as digits as its factorization.

25842280043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500964.

The product of its (nonzero) digits is 122880, while the sum is 38.

The spelling of 25842280043 in words is "twenty-five billion, eight hundred forty-two million, two hundred eighty thousand, forty-three".