9674664761 has 2 divisors, whose sum is σ = 9674664762. Its totient is φ = 9674664760.

The previous prime is 9674664749. The next prime is 9674664829. The reversal of 9674664761 is 1674664769.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5703270400 + 3971394361 = 75520^2 + 63019^2 .

It is a cyclic number.

It is not a de Polignac number, because 9674664761 - 2⁶ = 9674664697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9674664697 and 9674664706.

It is not a weakly prime, because it can be changed into another prime (9674664061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4837332380 + 4837332381.

It is an arithmetic number, because the mean of its divisors is an integer number (4837332381).

Almost surely, 2^9674664761 is an apocalyptic number.

It is an amenable number.

9674664761 is a deficient number, since it is larger than the sum of its proper divisors (1).

9674664761 is an equidigital number, since it uses as much as digits as its factorization.

9674664761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 56.

The square root of 9674664761 is about 98359.8737341605. The cubic root of 9674664761 is about 2130.8128559418.

The spelling of 9674664761 in words is "nine billion, six hundred seventy-four million, six hundred sixty-four thousand, seven hundred sixty-one".