9649602069 has 4 divisors (see below), whose sum is σ = 12866136096. Its totient is φ = 6433068044.

The previous prime is 9649602049. The next prime is 9649602073. The reversal of 9649602069 is 9602069469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9649602069 is a prime.

It is a super-2 number, since 2×9649602069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9649602049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608267009 + ... + 1608267014.

It is an arithmetic number, because the mean of its divisors is an integer number (3216534024).

Almost surely, 2^9649602069 is an apocalyptic number.

It is an amenable number.

9649602069 is a deficient number, since it is larger than the sum of its proper divisors (3216534027).

9649602069 is a wasteful number, since it uses less digits than its factorization.

9649602069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216534026.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The square root of 9649602069 is about 98232.3880856004. The cubic root of 9649602069 is about 2128.9712731664.

The spelling of 9649602069 in words is "nine billion, six hundred forty-nine million, six hundred two thousand, sixty-nine".