9946570573 has 2 divisors, whose sum is σ = 9946570574. Its totient is φ = 9946570572.

The previous prime is 9946570561. The next prime is 9946570577. The reversal of 9946570573 is 3750756499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9556626564 + 389944009 = 97758^2 + 19747^2 .

It is a cyclic number.

It is not a de Polignac number, because 9946570573 - 2⁹ = 9946570061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9946570577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4973285286 + 4973285287.

It is an arithmetic number, because the mean of its divisors is an integer number (4973285287).

Almost surely, 2^9946570573 is an apocalyptic number.

It is an amenable number.

9946570573 is a deficient number, since it is larger than the sum of its proper divisors (1).

9946570573 is an equidigital number, since it uses as much as digits as its factorization.

9946570573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7144200, while the sum is 55.

The square root of 9946570573 is about 99732.4950705636. The cubic root of 9946570573 is about 2150.5908290056.

The spelling of 9946570573 in words is "nine billion, nine hundred forty-six million, five hundred seventy thousand, five hundred seventy-three".