9789488136081 has 48 divisors (see below), whose sum is σ = 14273156352000. Its totient is φ = 6465386622816.

The previous prime is 9789488136067. The next prime is 9789488136089. The reversal of 9789488136081 is 1806318849879.

9789488136081 is a `hidden beast` number, since 9 + 7 + 8 + 9 + 4 + 8 + 8 + 1 + 3 + 608 + 1 = 666.

It is not a de Polignac number, because 9789488136081 - 2⁶ = 9789488136017 is a prime.

It is a super-2 number, since 2×9789488136081² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9789488136089) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392461896 + ... + 392486838.

It is an arithmetic number, because the mean of its divisors is an integer number (297357424000).

Almost surely, 2^{9789488136081} is an apocalyptic number.

It is an amenable number.

9789488136081 is a deficient number, since it is larger than the sum of its proper divisors (4483668215919).

9789488136081 is a wasteful number, since it uses less digits than its factorization.

9789488136081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26090 (or 26087 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 72.

The spelling of 9789488136081 in words is "nine trillion, seven hundred eighty-nine billion, four hundred eighty-eight million, one hundred thirty-six thousand, eighty-one".