949967909 has 32 divisors (see below), whose sum is σ = 1137024000. Its totient is φ = 784252800.

The previous prime is 949967903. The next prime is 949967917. The reversal of 949967909 is 909769949.

It is a cyclic number.

It is not a de Polignac number, because 949967909 - 2¹² = 949963813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949967903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504632 + ... + 506510.

It is an arithmetic number, because the mean of its divisors is an integer number (35532000).

Almost surely, 2^949967909 is an apocalyptic number.

It is an amenable number.

949967909 is a deficient number, since it is larger than the sum of its proper divisors (187056091).

949967909 is a wasteful number, since it uses less digits than its factorization.

949967909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 9920232, while the sum is 62.

The square root of 949967909 is about 30821.5494256859. The cubic root of 949967909 is about 983.0365032513.

The spelling of 949967909 in words is "nine hundred forty-nine million, nine hundred sixty-seven thousand, nine hundred nine".