942473491 has 2 divisors, whose sum is σ = 942473492. Its totient is φ = 942473490.

The previous prime is 942473447. The next prime is 942473503. The reversal of 942473491 is 194374249.

It is a strong prime.

It is an emirp because it is prime and its reverse (194374249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 942473491 - 2¹³ = 942465299 is a prime.

It is not a weakly prime, because it can be changed into another prime (945473491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 471236745 + 471236746.

It is an arithmetic number, because the mean of its divisors is an integer number (471236746).

Almost surely, 2^942473491 is an apocalyptic number.

942473491 is a deficient number, since it is larger than the sum of its proper divisors (1).

942473491 is an equidigital number, since it uses as much as digits as its factorization.

942473491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 942473491 is about 30699.7311226011. The cubic root of 942473491 is about 980.4445751180. Note that the first 3 decimals are identical.

The spelling of 942473491 in words is "nine hundred forty-two million, four hundred seventy-three thousand, four hundred ninety-one".