25750143593491 has 2 divisors, whose sum is σ = 25750143593492. Its totient is φ = 25750143593490.

The previous prime is 25750143593479. The next prime is 25750143593543. The reversal of 25750143593491 is 19439534105752.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25750143593491 - 2¹¹ = 25750143591443 is a prime.

It is not a weakly prime, because it can be changed into another prime (25750143593401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12875071796745 + 12875071796746.

It is an arithmetic number, because the mean of its divisors is an integer number (12875071796746).

Almost surely, 2^{25750143593491} is an apocalyptic number.

25750143593491 is a deficient number, since it is larger than the sum of its proper divisors (1).

25750143593491 is an equidigital number, since it uses as much as digits as its factorization.

25750143593491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412000, while the sum is 58.

The spelling of 25750143593491 in words is "twenty-five trillion, seven hundred fifty billion, one hundred forty-three million, five hundred ninety-three thousand, four hundred ninety-one".