25825783049 has 8 divisors (see below), whose sum is σ = 28243844640. Its totient is φ = 23419432000.

The previous prime is 25825783043. The next prime is 25825783063. The reversal of 25825783049 is 94038752852.

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 25825783049 - 2⁸ = 25825782793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25825783043) 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, 2923019 + ... + 2931840.

It is an arithmetic number, because the mean of its divisors is an integer number (3530480580).

Almost surely, 2^25825783049 is an apocalyptic number.

It is an amenable number.

25825783049 is a deficient number, since it is larger than the sum of its proper divisors (2418061591).

25825783049 is a wasteful number, since it uses less digits than its factorization.

25825783049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855271.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 25825783049 in words is "twenty-five billion, eight hundred twenty-five million, seven hundred eighty-three thousand, forty-nine".