25473673500 has 96 divisors (see below), whose sum is σ = 80922965760. Its totient is φ = 6175432000.

The previous prime is 25473673471. The next prime is 25473673553. The reversal of 25473673500 is 537637452.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 755430 + ... + 788429.

It is an arithmetic number, because the mean of its divisors is an integer number (842947560).

Almost surely, 2^25473673500 is an apocalyptic number.

25473673500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25473673500 is an abundant number, since it is smaller than the sum of its proper divisors (55449292260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25473673500 is a wasteful number, since it uses less digits than its factorization.

25473673500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543892 (or 1543880 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 42.

The spelling of 25473673500 in words is "twenty-five billion, four hundred seventy-three million, six hundred seventy-three thousand, five hundred".