30007172693 has 2 divisors, whose sum is σ = 30007172694. Its totient is φ = 30007172692.

The previous prime is 30007172669. The next prime is 30007172707. The reversal of 30007172693 is 39627170003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29862259249 + 144913444 = 172807^2 + 12038^2 .

It is a cyclic number.

It is not a de Polignac number, because 30007172693 - 2¹⁰ = 30007171669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30007172603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15003586346 + 15003586347.

It is an arithmetic number, because the mean of its divisors is an integer number (15003586347).

Almost surely, 2^30007172693 is an apocalyptic number.

It is an amenable number.

30007172693 is a deficient number, since it is larger than the sum of its proper divisors (1).

30007172693 is an equidigital number, since it uses as much as digits as its factorization.

30007172693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 38.

The spelling of 30007172693 in words is "thirty billion, seven million, one hundred seventy-two thousand, six hundred ninety-three".