63394950938 has 8 divisors (see below), whose sum is σ = 103737192480. Its totient is φ = 28815886780.

The previous prime is 63394950917. The next prime is 63394950959. The reversal of 63394950938 is 83905949336.

It is an interprime number because it is at equal distance from previous prime (63394950917) and next prime (63394950959).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1440794318 + ... + 1440794361.

It is an arithmetic number, because the mean of its divisors is an integer number (12967149060).

Almost surely, 2^63394950938 is an apocalyptic number.

63394950938 is a deficient number, since it is larger than the sum of its proper divisors (40342241542).

63394950938 is a wasteful number, since it uses less digits than its factorization.

63394950938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2881588692.

The product of its (nonzero) digits is 18895680, while the sum is 59.

The spelling of 63394950938 in words is "sixty-three billion, three hundred ninety-four million, nine hundred fifty thousand, nine hundred thirty-eight".