1332443491 has 2 divisors, whose sum is σ = 1332443492. Its totient is φ = 1332443490.

The previous prime is 1332443477. The next prime is 1332443531. The reversal of 1332443491 is 1943442331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1332443491 - 2¹⁷ = 1332312419 is a prime.

It is not a weakly prime, because it can be changed into another prime (1332443591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666221745 + 666221746.

It is an arithmetic number, because the mean of its divisors is an integer number (666221746).

Almost surely, 2^1332443491 is an apocalyptic number.

1332443491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332443491 is an equidigital number, since it uses as much as digits as its factorization.

1332443491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 34.

The square root of 1332443491 is about 36502.6504654114. The cubic root of 1332443491 is about 1100.3975122547.

The spelling of 1332443491 in words is "one billion, three hundred thirty-two million, four hundred forty-three thousand, four hundred ninety-one".