9061421953 has 2 divisors, whose sum is σ = 9061421954. Its totient is φ = 9061421952.

The previous prime is 9061421947. The next prime is 9061422043. The reversal of 9061421953 is 3591241609.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5526881649 + 3534540304 = 74343^2 + 59452^2 .

It is an emirp because it is prime and its reverse (3591241609) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9061421953 - 2²⁵ = 9027867521 is a prime.

It is not a weakly prime, because it can be changed into another prime (9061421903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4530710976 + 4530710977.

It is an arithmetic number, because the mean of its divisors is an integer number (4530710977).

Almost surely, 2^9061421953 is an apocalyptic number.

It is an amenable number.

9061421953 is a deficient number, since it is larger than the sum of its proper divisors (1).

9061421953 is an equidigital number, since it uses as much as digits as its factorization.

9061421953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 9061421953 is about 95191.5014746590. The cubic root of 9061421953 is about 2084.8050549715.

The spelling of 9061421953 in words is "nine billion, sixty-one million, four hundred twenty-one thousand, nine hundred fifty-three".