9547117061 has 2 divisors, whose sum is σ = 9547117062. Its totient is φ = 9547117060.

The previous prime is 9547116991. The next prime is 9547117087. The reversal of 9547117061 is 1607117459.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8905508161 + 641608900 = 94369^2 + 25330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9547117061 is a prime.

It is a super-2 number, since 2×9547117061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9547111061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4773558530 + 4773558531.

It is an arithmetic number, because the mean of its divisors is an integer number (4773558531).

Almost surely, 2^9547117061 is an apocalyptic number.

It is an amenable number.

9547117061 is a deficient number, since it is larger than the sum of its proper divisors (1).

9547117061 is an equidigital number, since it uses as much as digits as its factorization.

9547117061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 9547117061 is about 97709.3499159625. The cubic root of 9547117061 is about 2121.4074151695.

The spelling of 9547117061 in words is "nine billion, five hundred forty-seven million, one hundred seventeen thousand, sixty-one".