25484936853 has 8 divisors (see below), whose sum is σ = 34702892928. Its totient is φ = 16628469344.

The previous prime is 25484936809. The next prime is 25484936881. The reversal of 25484936853 is 35863948452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25484936853 - 2¹² = 25484932757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25484936793 and 25484936802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25484936803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90371976 + ... + 90372257.

It is an arithmetic number, because the mean of its divisors is an integer number (4337861616).

Almost surely, 2^25484936853 is an apocalyptic number.

It is an amenable number.

25484936853 is a deficient number, since it is larger than the sum of its proper divisors (9217956075).

25484936853 is a wasteful number, since it uses less digits than its factorization.

25484936853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180744283.

The product of its digits is 24883200, while the sum is 57.

The spelling of 25484936853 in words is "twenty-five billion, four hundred eighty-four million, nine hundred thirty-six thousand, eight hundred fifty-three".