938649063 has 16 divisors (see below), whose sum is σ = 1372465152. Its totient is φ = 565896000.

The previous prime is 938649059. The next prime is 938649071. The reversal of 938649063 is 360946839.

It is not a de Polignac number, because 938649063 - 2² = 938649059 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (938649013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68158 + ... + 80763.

It is an arithmetic number, because the mean of its divisors is an integer number (85779072).

Almost surely, 2^938649063 is an apocalyptic number.

938649063 is a deficient number, since it is larger than the sum of its proper divisors (433816089).

938649063 is a wasteful number, since it uses less digits than its factorization.

938649063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149126.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 938649063 is about 30637.3801588843. The cubic root of 938649063 is about 979.1166074431.

The spelling of 938649063 in words is "nine hundred thirty-eight million, six hundred forty-nine thousand, sixty-three".