25430442141 has 24 divisors (see below), whose sum is σ = 36772172256. Its totient is φ = 15625621440.

The previous prime is 25430442091. The next prime is 25430442173. The reversal of 25430442141 is 14124403452.

It is not a de Polignac number, because 25430442141 - 2⁶ = 25430442077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25430442099 and 25430442108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430443141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297186 + ... + 373068.

It is an arithmetic number, because the mean of its divisors is an integer number (1532173844).

Almost surely, 2^25430442141 is an apocalyptic number.

It is an amenable number.

25430442141 is a deficient number, since it is larger than the sum of its proper divisors (11341730115).

25430442141 is a wasteful number, since it uses less digits than its factorization.

25430442141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76573 (or 76560 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 25430442141 its reverse (14124403452), we get a palindrome (39554845593).

The spelling of 25430442141 in words is "twenty-five billion, four hundred thirty million, four hundred forty-two thousand, one hundred forty-one".