25442345982361 has 16 divisors (see below), whose sum is σ = 32395228047360. Its totient is φ = 19403391793680.

The previous prime is 25442345982341. The next prime is 25442345982373. The reversal of 25442345982361 is 16328954324452.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 25442345982361 - 2¹³ = 25442345974169 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25442345982296 and 25442345982305.

It is not an unprimeable number, because it can be changed into a prime (25442345982341) 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, 3515103591 + ... + 3515110828.

It is an arithmetic number, because the mean of its divisors is an integer number (2024701752960).

Almost surely, 2^{25442345982361} is an apocalyptic number.

It is an amenable number.

25442345982361 is a deficient number, since it is larger than the sum of its proper divisors (6952882064999).

25442345982361 is a wasteful number, since it uses less digits than its factorization.

25442345982361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030214484.

The product of its digits is 49766400, while the sum is 58.

The spelling of 25442345982361 in words is "twenty-five trillion, four hundred forty-two billion, three hundred forty-five million, nine hundred eighty-two thousand, three hundred sixty-one".