9471945481 has 2 divisors, whose sum is σ = 9471945482. Its totient is φ = 9471945480.

The previous prime is 9471945467. The next prime is 9471945541. The reversal of 9471945481 is 1845491749.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5909765625 + 3562179856 = 76875^2 + 59684^2 .

It is a cyclic number.

It is not a de Polignac number, because 9471945481 - 2¹¹ = 9471943433 is a prime.

It is a super-2 number, since 2×9471945481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9471940481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4735972740 + 4735972741.

It is an arithmetic number, because the mean of its divisors is an integer number (4735972741).

Almost surely, 2^9471945481 is an apocalyptic number.

It is an amenable number.

9471945481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9471945481 is an equidigital number, since it uses as much as digits as its factorization.

9471945481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 52.

The square root of 9471945481 is about 97323.9203947313. The cubic root of 9471945481 is about 2115.8249296357.

The spelling of 9471945481 in words is "nine billion, four hundred seventy-one million, nine hundred forty-five thousand, four hundred eighty-one".