48881989645 has 8 divisors (see below), whose sum is σ = 59533886304. Its totient is φ = 38521925904.

The previous prime is 48881989633. The next prime is 48881989657. The reversal of 48881989645 is 54698918884.

It is an interprime number because it is at equal distance from previous prime (48881989633) and next prime (48881989657).

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

It is a cyclic number.

It is not a de Polignac number, because 48881989645 - 2⁵ = 48881989613 is a prime.

It is a super-3 number, since 3×48881989645³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72957859 + ... + 72958528.

It is an arithmetic number, because the mean of its divisors is an integer number (7441735788).

Almost surely, 2^48881989645 is an apocalyptic number.

It is an amenable number.

48881989645 is a deficient number, since it is larger than the sum of its proper divisors (10651896659).

48881989645 is a wasteful number, since it uses less digits than its factorization.

48881989645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145916459.

The product of its digits is 159252480, while the sum is 70.

The spelling of 48881989645 in words is "forty-eight billion, eight hundred eighty-one million, nine hundred eighty-nine thousand, six hundred forty-five".