25589142347 has 2 divisors, whose sum is σ = 25589142348. Its totient is φ = 25589142346.

The previous prime is 25589142323. The next prime is 25589142353. The reversal of 25589142347 is 74324198552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25589142347 - 2²⁰ = 25588093771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25589142295 and 25589142304.

It is not a weakly prime, because it can be changed into another prime (25589142377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12794571173 + 12794571174.

It is an arithmetic number, because the mean of its divisors is an integer number (12794571174).

Almost surely, 2^25589142347 is an apocalyptic number.

25589142347 is a deficient number, since it is larger than the sum of its proper divisors (1).

25589142347 is an equidigital number, since it uses as much as digits as its factorization.

25589142347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2419200, while the sum is 50.

The spelling of 25589142347 in words is "twenty-five billion, five hundred eighty-nine million, one hundred forty-two thousand, three hundred forty-seven".