9149004481 has 2 divisors, whose sum is σ = 9149004482. Its totient is φ = 9149004480.

The previous prime is 9149004463. The next prime is 9149004493. The reversal of 9149004481 is 1844009419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9099442881 + 49561600 = 95391^2 + 7040^2 .

It is a cyclic number.

It is not a de Polignac number, because 9149004481 - 2⁷ = 9149004353 is a prime.

It is a super-2 number, since 2×9149004481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9149004421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4574502240 + 4574502241.

It is an arithmetic number, because the mean of its divisors is an integer number (4574502241).

Almost surely, 2^9149004481 is an apocalyptic number.

It is an amenable number.

9149004481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9149004481 is an equidigital number, since it uses as much as digits as its factorization.

9149004481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 9149004481 is about 95650.4285458251. The cubic root of 9149004481 is about 2091.5003749204.

The spelling of 9149004481 in words is "nine billion, one hundred forty-nine million, four thousand, four hundred eighty-one".