63938953 has 12 divisors (see below), whose sum is σ = 69569280. Its totient is φ = 58736496.

The previous prime is 63938951. The next prime is 63938983. The reversal of 63938953 is 35983936.

It is not a de Polignac number, because 63938953 - 2¹ = 63938951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63938951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39600 + ... + 41182.

It is an arithmetic number, because the mean of its divisors is an integer number (5797440).

Almost surely, 2^63938953 is an apocalyptic number.

It is an amenable number.

63938953 is a deficient number, since it is larger than the sum of its proper divisors (5630327).

63938953 is a wasteful number, since it uses less digits than its factorization.

63938953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848 (or 1835 counting only the distinct ones).

The product of its digits is 524880, while the sum is 46.

The square root of 63938953 is about 7996.1836522181. The cubic root of 63938953 is about 399.8727782909.

The spelling of 63938953 in words is "sixty-three million, nine hundred thirty-eight thousand, nine hundred fifty-three".