942539491 has 2 divisors, whose sum is σ = 942539492. Its totient is φ = 942539490.

The previous prime is 942539467. The next prime is 942539503. The reversal of 942539491 is 194935249.

It is a strong prime.

It is an emirp because it is prime and its reverse (194935249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 942539491 - 2¹⁷ = 942408419 is a prime.

It is not a weakly prime, because it can be changed into another prime (942534491) 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, 471269745 + 471269746.

It is an arithmetic number, because the mean of its divisors is an integer number (471269746).

Almost surely, 2^942539491 is an apocalyptic number.

942539491 is a deficient number, since it is larger than the sum of its proper divisors (1).

942539491 is an equidigital number, since it uses as much as digits as its factorization.

942539491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 942539491 is about 30700.8060317641. The cubic root of 942539491 is about 980.4674609364.

The spelling of 942539491 in words is "nine hundred forty-two million, five hundred thirty-nine thousand, four hundred ninety-one".