25009434196 has 12 divisors (see below), whose sum is σ = 46341010548. Its totient is φ = 11769145472.

The previous prime is 25009434143. The next prime is 25009434199. The reversal of 25009434196 is 69143490052.

It can be written as a sum of positive squares in 2 ways, for example, as 23099744196 + 1909690000 = 151986^2 + 43700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25009434199) 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 3 ways as a sum of consecutive naturals, for example, 183892831 + ... + 183892966.

It is an arithmetic number, because the mean of its divisors is an integer number (3861750879).

Almost surely, 2^25009434196 is an apocalyptic number.

It is an amenable number.

25009434196 is a deficient number, since it is larger than the sum of its proper divisors (21331576352).

25009434196 is a wasteful number, since it uses less digits than its factorization.

25009434196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367785818 (or 367785816 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 25009434196 in words is "twenty-five billion, nine million, four hundred thirty-four thousand, one hundred ninety-six".