9649681073 has 8 divisors (see below), whose sum is σ = 10234303296. Its totient is φ = 9078814800.

The previous prime is 9649681051. The next prime is 9649681081. The reversal of 9649681073 is 3701869469.

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 9649681073 - 2¹⁰ = 9649680049 is a prime.

It is a super-2 number, since 2×9649681073² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9649681273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3437543 + ... + 3440348.

It is an arithmetic number, because the mean of its divisors is an integer number (1279287912).

Almost surely, 2^9649681073 is an apocalyptic number.

It is an amenable number.

9649681073 is a deficient number, since it is larger than the sum of its proper divisors (584622223).

9649681073 is a wasteful number, since it uses less digits than its factorization.

9649681073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877975.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 9649681073 is about 98232.7902128408. The cubic root of 9649681073 is about 2128.9770833123.

The spelling of 9649681073 in words is "nine billion, six hundred forty-nine million, six hundred eighty-one thousand, seventy-three".