9446863961 has 2 divisors, whose sum is σ = 9446863962. Its totient is φ = 9446863960.

The previous prime is 9446863913. The next prime is 9446864017. The reversal of 9446863961 is 1693686449.

It is a happy number.

It is an a-pointer prime, because the next prime (9446864017) can be obtained adding 9446863961 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6802950400 + 2643913561 = 82480^2 + 51419^2 .

It is a cyclic number.

It is not a de Polignac number, because 9446863961 - 2³⁰ = 8373122137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9446863897 and 9446863906.

It is not a weakly prime, because it can be changed into another prime (9446863861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4723431980 + 4723431981.

It is an arithmetic number, because the mean of its divisors is an integer number (4723431981).

Almost surely, 2^9446863961 is an apocalyptic number.

It is an amenable number.

9446863961 is a deficient number, since it is larger than the sum of its proper divisors (1).

9446863961 is an equidigital number, since it uses as much as digits as its factorization.

9446863961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 56.

The square root of 9446863961 is about 97194.9790935725. The cubic root of 9446863961 is about 2113.9557249226.

The spelling of 9446863961 in words is "nine billion, four hundred forty-six million, eight hundred sixty-three thousand, nine hundred sixty-one".