4681869825 has 24 divisors (see below), whose sum is σ = 7838684800. Its totient is φ = 2465386560.

The previous prime is 4681869821. The next prime is 4681869869. The reversal of 4681869825 is 5289681864.

It is a happy number.

It is not a de Polignac number, because 4681869825 - 2² = 4681869821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4681869821) 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, 389170 + ... + 401019.

Almost surely, 2^4681869825 is an apocalyptic number.

It is an amenable number.

4681869825 is a deficient number, since it is larger than the sum of its proper divisors (3156814975).

4681869825 is a wasteful number, since it uses less digits than its factorization.

4681869825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790281 (or 790276 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The square root of 4681869825 is about 68424.1903496125. The cubic root of 4681869825 is about 1672.9120579318.

The spelling of 4681869825 in words is "four billion, six hundred eighty-one million, eight hundred sixty-nine thousand, eight hundred twenty-five".