30172661063 has 2 divisors, whose sum is σ = 30172661064. Its totient is φ = 30172661062.

The previous prime is 30172661059. The next prime is 30172661093. The reversal of 30172661063 is 36016627103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30172661063 - 2² = 30172661059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30172661033) 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 as a sum of consecutive naturals, namely, 15086330531 + 15086330532.

It is an arithmetic number, because the mean of its divisors is an integer number (15086330532).

Almost surely, 2^30172661063 is an apocalyptic number.

30172661063 is a deficient number, since it is larger than the sum of its proper divisors (1).

30172661063 is an equidigital number, since it uses as much as digits as its factorization.

30172661063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 35.

The spelling of 30172661063 in words is "thirty billion, one hundred seventy-two million, six hundred sixty-one thousand, sixty-three".