48399659571781 has 8 divisors (see below), whose sum is σ = 55314107023680. Its totient is φ = 41485264712448.

The previous prime is 48399659571749. The next prime is 48399659571799. The reversal of 48399659571781 is 18717595699384.

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 48399659571781 - 2⁵ = 48399659571749 is a prime.

It is a super-2 number, since 2×48399659571781² (a number of 28 digits) contains 22 as substring.

It is a pancake number, because a pancake can be divided into 48399659571781 parts by 9838664 straight cuts.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48399659571695 and 48399659571704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48399659571881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11155996 + ... + 14874661.

It is an arithmetic number, because the mean of its divisors is an integer number (6914263377960).

Almost surely, 2^{48399659571781} is an apocalyptic number.

48399659571781 is the 3718666-th nonagonal number.

It is an amenable number.

48399659571781 is a deficient number, since it is larger than the sum of its proper divisors (6914447451899).

48399659571781 is a wasteful number, since it uses less digits than its factorization.

48399659571781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26296283.

The product of its digits is 4115059200, while the sum is 82.

The spelling of 48399659571781 in words is "forty-eight trillion, three hundred ninety-nine billion, six hundred fifty-nine million, five hundred seventy-one thousand, seven hundred eighty-one".