910940491 has 2 divisors, whose sum is σ = 910940492. Its totient is φ = 910940490.

The previous prime is 910940479. The next prime is 910940497. The reversal of 910940491 is 194049019.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 910940491 - 2¹³ = 910932299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 910940491.

It is not a weakly prime, because it can be changed into another prime (910940497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455470245 + 455470246.

It is an arithmetic number, because the mean of its divisors is an integer number (455470246).

Almost surely, 2^910940491 is an apocalyptic number.

910940491 is a deficient number, since it is larger than the sum of its proper divisors (1).

910940491 is an equidigital number, since it uses as much as digits as its factorization.

910940491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 910940491 is about 30181.7907189086. The cubic root of 910940491 is about 969.3858339816.

The spelling of 910940491 in words is "nine hundred ten million, nine hundred forty thousand, four hundred ninety-one".