25873143441 has 16 divisors (see below), whose sum is σ = 35062502400. Its totient is φ = 16967372240.

The previous prime is 25873143409. The next prime is 25873143451. The reversal of 25873143441 is 14434137852.

It is a cyclic number.

It is not a de Polignac number, because 25873143441 - 2⁵ = 25873143409 is a prime.

It is a super-2 number, since 2×25873143441² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25873143393 and 25873143402.

It is not an unprimeable number, because it can be changed into a prime (25873143451) 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, 42741 + ... + 231458.

It is an arithmetic number, because the mean of its divisors is an integer number (2191406400).

Almost surely, 2^25873143441 is an apocalyptic number.

It is an amenable number.

25873143441 is a deficient number, since it is larger than the sum of its proper divisors (9189358959).

25873143441 is a wasteful number, since it uses less digits than its factorization.

25873143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274716.

The product of its digits is 322560, while the sum is 42.

The spelling of 25873143441 in words is "twenty-five billion, eight hundred seventy-three million, one hundred forty-three thousand, four hundred forty-one".