9739206081 has 12 divisors (see below), whose sum is σ = 15346627920. Its totient is φ = 5902549080.

The previous prime is 9739206079. The next prime is 9739206091. The reversal of 9739206081 is 1806029379.

9739206081 is a `hidden beast` number, since 9 + 7 + 39 + 2 + 0 + 608 + 1 = 666.

It is not a de Polignac number, because 9739206081 - 2¹ = 9739206079 is a prime.

It is a super-2 number, since 2×9739206081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9739206091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49187811 + ... + 49188008.

It is an arithmetic number, because the mean of its divisors is an integer number (1278885660).

Almost surely, 2^9739206081 is an apocalyptic number.

It is an amenable number.

9739206081 is a deficient number, since it is larger than the sum of its proper divisors (5607421839).

9739206081 is a wasteful number, since it uses less digits than its factorization.

9739206081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98375836 (or 98375833 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 9739206081 is about 98687.4160214969. The cubic root of 9739206081 is about 2135.5406953606.

The spelling of 9739206081 in words is "nine billion, seven hundred thirty-nine million, two hundred six thousand, eighty-one".