25048834447 has 24 divisors (see below), whose sum is σ = 31474926672. Its totient is φ = 19758816000.

The previous prime is 25048834441. The next prime is 25048834493. The reversal of 25048834447 is 74443884052.

It is not a de Polignac number, because 25048834447 - 2¹¹ = 25048832399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 25048834447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25048834441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151447 + ... + 270247.

It is an arithmetic number, because the mean of its divisors is an integer number (1311455278).

Almost surely, 2^25048834447 is an apocalyptic number.

25048834447 is a deficient number, since it is larger than the sum of its proper divisors (6426092225).

25048834447 is a wasteful number, since it uses less digits than its factorization.

25048834447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119159 (or 119152 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 49.

The spelling of 25048834447 in words is "twenty-five billion, forty-eight million, eight hundred thirty-four thousand, four hundred forty-seven".