30638657063 has 32 divisors (see below), whose sum is σ = 36195618816. Its totient is φ = 25394611968.

The previous prime is 30638657053. The next prime is 30638657069. The reversal of 30638657063 is 36075683603.

It is a cyclic number.

It is not a de Polignac number, because 30638657063 - 2⁶ = 30638656999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30638656999 and 30638657017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30638657069) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7632845 + ... + 7636857.

It is an arithmetic number, because the mean of its divisors is an integer number (1131113088).

Almost surely, 2^30638657063 is an apocalyptic number.

30638657063 is a deficient number, since it is larger than the sum of its proper divisors (5556961753).

30638657063 is a wasteful number, since it uses less digits than its factorization.

30638657063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4383.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 30638657063 in words is "thirty billion, six hundred thirty-eight million, six hundred fifty-seven thousand, sixty-three".