949919669 has 2 divisors, whose sum is σ = 949919670. Its totient is φ = 949919668.

The previous prime is 949919651. The next prime is 949919671. The reversal of 949919669 is 966919949.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 477422500 + 472497169 = 21850^2 + 21737^2 .

It is a cyclic number.

It is not a de Polignac number, because 949919669 - 2¹² = 949915573 is a prime.

It is a super-2 number, since 2×949919669² = 1804694755106139122, which contains 22 as substring.

Together with 949919671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (949910669) 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, 474959834 + 474959835.

It is an arithmetic number, because the mean of its divisors is an integer number (474959835).

Almost surely, 2^949919669 is an apocalyptic number.

It is an amenable number.

949919669 is a deficient number, since it is larger than the sum of its proper divisors (1).

949919669 is an equidigital number, since it uses as much as digits as its factorization.

949919669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 62.

The square root of 949919669 is about 30820.7668463976. The cubic root of 949919669 is about 983.0198632212.

The spelling of 949919669 in words is "nine hundred forty-nine million, nine hundred nineteen thousand, six hundred sixty-nine".