25463513443 has 2 divisors, whose sum is σ = 25463513444. Its totient is φ = 25463513442.

The previous prime is 25463513333. The next prime is 25463513489. The reversal of 25463513443 is 34431536452.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25463513443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25463513396 and 25463513405.

It is not a weakly prime, because it can be changed into another prime (25463513143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12731756721 + 12731756722.

It is an arithmetic number, because the mean of its divisors is an integer number (12731756722).

Almost surely, 2^25463513443 is an apocalyptic number.

25463513443 is a deficient number, since it is larger than the sum of its proper divisors (1).

25463513443 is an equidigital number, since it uses as much as digits as its factorization.

25463513443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 40.

The spelling of 25463513443 in words is "twenty-five billion, four hundred sixty-three million, five hundred thirteen thousand, four hundred forty-three".