25953529412 has 6 divisors (see below), whose sum is σ = 45418676478. Its totient is φ = 12976764704.

The previous prime is 25953529409. The next prime is 25953529487. The reversal of 25953529412 is 21492535952.

It can be written as a sum of positive squares in only one way, i.e., 18240123136 + 7713406276 = 135056^2 + 87826^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3244191173 + ... + 3244191180.

It is an arithmetic number, because the mean of its divisors is an integer number (7569779413).

Almost surely, 2^25953529412 is an apocalyptic number.

It is an amenable number.

25953529412 is a deficient number, since it is larger than the sum of its proper divisors (19465147066).

25953529412 is a wasteful number, since it uses less digits than its factorization.

25953529412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6488382357 (or 6488382355 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The spelling of 25953529412 in words is "twenty-five billion, nine hundred fifty-three million, five hundred twenty-nine thousand, four hundred twelve".