949494949 has 8 divisors (see below), whose sum is σ = 1026338040. Its totient is φ = 873195456.

The previous prime is 949494941. The next prime is 949494977.

It is a happy number.

949494949 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 134792100 + 814702849 = 11610^2 + 28543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 949494949 - 2³ = 949494941 is a prime.

It is an alternating number because its digits alternate between odd and even.

949494949 is an undulating number in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949494941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132262 + ... + 139255.

It is an arithmetic number, because the mean of its divisors is an integer number (128292255).

Almost surely, 2^949494949 is an apocalyptic number.

It is an amenable number.

949494949 is a deficient number, since it is larger than the sum of its proper divisors (76843091).

949494949 is a wasteful number, since it uses less digits than its factorization.

949494949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271799.

The product of its digits is 15116544, while the sum is 61.

The square root of 949494949 is about 30813.8759165412. The cubic root of 949494949 is about 982.8733348885.

The spelling of 949494949 in words is "nine hundred forty-nine million, four hundred ninety-four thousand, nine hundred forty-nine".