48581943381 has 12 divisors (see below), whose sum is σ = 70362056908. Its totient is φ = 32301129024.

The previous prime is 48581943379. The next prime is 48581943401. The reversal of 48581943381 is 18334918584.

48581943381 is a `hidden beast` number, since 485 + 81 + 9 + 4 + 3 + 3 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32241434481 + 16340508900 = 179559^2 + 127830^2 .

It is not a de Polignac number, because 48581943381 - 2¹ = 48581943379 is a prime.

It is a super-2 number, since 2×48581943381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48581943281) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7232560 + ... + 7239273.

Almost surely, 2^48581943381 is an apocalyptic number.

It is an amenable number.

48581943381 is a deficient number, since it is larger than the sum of its proper divisors (21780113527).

48581943381 is a wasteful number, since it uses less digits than its factorization.

48581943381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14472212 (or 14472209 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 48581943381 in words is "forty-eight billion, five hundred eighty-one million, nine hundred forty-three thousand, three hundred eighty-one".