949381969 has 4 divisors (see below), whose sum is σ = 952911540. Its totient is φ = 945852400.

The previous prime is 949381891. The next prime is 949381981. The reversal of 949381969 is 969183949.

949381969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 483340225 + 466041744 = 21985^2 + 21588^2 .

It is a cyclic number.

It is not a de Polignac number, because 949381969 - 2⁷ = 949381841 is a prime.

It is a super-2 number, since 2×949381969² = 1802652246124633922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (949381469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1764382 + ... + 1764919.

It is an arithmetic number, because the mean of its divisors is an integer number (238227885).

Almost surely, 2^949381969 is an apocalyptic number.

It is an amenable number.

949381969 is a deficient number, since it is larger than the sum of its proper divisors (3529571).

949381969 is a wasteful number, since it uses less digits than its factorization.

949381969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529570.

The product of its digits is 3779136, while the sum is 58.

The square root of 949381969 is about 30812.0425970107. The cubic root of 949381969 is about 982.8343494488.

The spelling of 949381969 in words is "nine hundred forty-nine million, three hundred eighty-one thousand, nine hundred sixty-nine".