949190491 has 2 divisors, whose sum is σ = 949190492. Its totient is φ = 949190490.

The previous prime is 949190483. The next prime is 949190509. The reversal of 949190491 is 194091949.

It is a weak prime.

It is an emirp because it is prime and its reverse (194091949) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 949190491 - 2³ = 949190483 is a prime.

It is not a weakly prime, because it can be changed into another prime (949190401) 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, 474595245 + 474595246.

It is an arithmetic number, because the mean of its divisors is an integer number (474595246).

Almost surely, 2^949190491 is an apocalyptic number.

949190491 is a deficient number, since it is larger than the sum of its proper divisors (1).

949190491 is an equidigital number, since it uses as much as digits as its factorization.

949190491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 949190491 is about 30808.9352461262. The cubic root of 949190491 is about 982.7682700361.

The spelling of 949190491 in words is "nine hundred forty-nine million, one hundred ninety thousand, four hundred ninety-one".