18825464481 has 8 divisors (see below), whose sum is σ = 25125207744. Its totient is φ = 12538015440.

The previous prime is 18825464467. The next prime is 18825464507. The reversal of 18825464481 is 18446452881.

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

It is not a de Polignac number, because 18825464481 - 2¹⁰ = 18825463457 is a prime.

It is a super-2 number, since 2×18825464481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18825464881) 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, 3069981 + ... + 3076106.

It is an arithmetic number, because the mean of its divisors is an integer number (3140650968).

Almost surely, 2^18825464481 is an apocalyptic number.

It is an amenable number.

18825464481 is a deficient number, since it is larger than the sum of its proper divisors (6299743263).

18825464481 is a wasteful number, since it uses less digits than its factorization.

18825464481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147111.

The product of its digits is 1966080, while the sum is 51.

The spelling of 18825464481 in words is "eighteen billion, eight hundred twenty-five million, four hundred sixty-four thousand, four hundred eighty-one".