9005532491 has 2 divisors, whose sum is σ = 9005532492. Its totient is φ = 9005532490.

The previous prime is 9005532469. The next prime is 9005532499. The reversal of 9005532491 is 1942355009.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9005532491 - 2⁶ = 9005532427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9005532499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4502766245 + 4502766246.

It is an arithmetic number, because the mean of its divisors is an integer number (4502766246).

Almost surely, 2^9005532491 is an apocalyptic number.

9005532491 is a deficient number, since it is larger than the sum of its proper divisors (1).

9005532491 is an equidigital number, since it uses as much as digits as its factorization.

9005532491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 9005532491 is about 94897.4841131207. The cubic root of 9005532491 is about 2080.5099596354.

The spelling of 9005532491 in words is "nine billion, five million, five hundred thirty-two thousand, four hundred ninety-one".