48781944909 has 12 divisors (see below), whose sum is σ = 70506352800. Its totient is φ = 32501199624.

The previous prime is 48781944901. The next prime is 48781944947. The reversal of 48781944909 is 90944918784.

It is a happy number.

48781944909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 48781944909 - 2³ = 48781944901 is a prime.

It is a super-2 number, since 2×48781944909² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48781944901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1659369 + ... + 1688510.

It is an arithmetic number, because the mean of its divisors is an integer number (5875529400).

Almost surely, 2^48781944909 is an apocalyptic number.

It is an amenable number.

48781944909 is a deficient number, since it is larger than the sum of its proper divisors (21724407891).

48781944909 is a wasteful number, since it uses less digits than its factorization.

48781944909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3349504 (or 3349501 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 48781944909 in words is "forty-eight billion, seven hundred eighty-one million, nine hundred forty-four thousand, nine hundred nine".