30091017629 has 2 divisors, whose sum is σ = 30091017630. Its totient is φ = 30091017628.

The previous prime is 30091017617. The next prime is 30091017643. The reversal of 30091017629 is 92671019003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16611343225 + 13479674404 = 128885^2 + 116102^2 .

It is an emirp because it is prime and its reverse (92671019003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30091017629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30091017592 and 30091017601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30091017679) 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, 15045508814 + 15045508815.

It is an arithmetic number, because the mean of its divisors is an integer number (15045508815).

Almost surely, 2^30091017629 is an apocalyptic number.

It is an amenable number.

30091017629 is a deficient number, since it is larger than the sum of its proper divisors (1).

30091017629 is an equidigital number, since it uses as much as digits as its factorization.

30091017629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 30091017629 in words is "thirty billion, ninety-one million, seventeen thousand, six hundred twenty-nine".