25841973906 has 48 divisors (see below), whose sum is σ = 63999019968. Its totient is φ = 7382340000.

The previous prime is 25841973881. The next prime is 25841973923. The reversal of 25841973906 is 60937914852.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1313361 + ... + 1332891.

It is an arithmetic number, because the mean of its divisors is an integer number (1333312916).

It is a 1-persistent number, because it is pandigital, but 2⋅25841973906 = 51683947812 is not.

Almost surely, 2^25841973906 is an apocalyptic number.

25841973906 is an abundant number, since it is smaller than the sum of its proper divisors (38157046062).

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

25841973906 is a wasteful number, since it uses less digits than its factorization.

25841973906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30047 (or 30044 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 25841973906 in words is "twenty-five billion, eight hundred forty-one million, nine hundred seventy-three thousand, nine hundred six".