949943664 has 60 divisors (see below), whose sum is σ = 2744294592. Its totient is φ = 306432000.

The previous prime is 949943647. The next prime is 949943693. The reversal of 949943664 is 466349949.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 949943664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101937 + ... + 110864.

Almost surely, 2^949943664 is an apocalyptic number.

It is an amenable number.

949943664 is an abundant number, since it is smaller than the sum of its proper divisors (1794350928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

949943664 is a wasteful number, since it uses less digits than its factorization.

949943664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212846 (or 212837 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 54.

The square root of 949943664 is about 30821.1561106977. The cubic root of 949943664 is about 983.0281401888.

The spelling of 949943664 in words is "nine hundred forty-nine million, nine hundred forty-three thousand, six hundred sixty-four".