48012259689 has 9 divisors (see below), whose sum is σ = 69351991293. Its totient is φ = 32007734892.

The previous prime is 48012259679. The next prime is 48012259693. The reversal of 48012259689 is 98695221084.

It is a happy number.

The square root of 48012259689 is 219117.

It is a perfect power (a square), and thus also a powerful number.

48012259689 is a `hidden beast` number, since 48 + 0 + 1 + 2 + 2 + 596 + 8 + 9 = 666.

48012259689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 48012259689 - 2⁹ = 48012259177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48012259609) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 620832 + ... + 693870.

Almost surely, 2^48012259689 is an apocalyptic number.

48012259689 is the 219117-th square number.

48012259689 is the 109559-th centered octagonal number.

It is an amenable number.

48012259689 is a deficient number, since it is larger than the sum of its proper divisors (21339731604).

48012259689 is an frugal number, since it uses more digits than its factorization.

48012259689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146084 (or 73042 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 48012259689 in words is "forty-eight billion, twelve million, two hundred fifty-nine thousand, six hundred eighty-nine".