30699629 has 2 divisors, whose sum is σ = 30699630. Its totient is φ = 30699628.

The previous prime is 30699607. The next prime is 30699701. The reversal of 30699629 is 92699603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25270729 + 5428900 = 5027^2 + 2330^2 .

It is an emirp because it is prime and its reverse (92699603) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30699629 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30699629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30699829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15349814 + 15349815.

It is an arithmetic number, because the mean of its divisors is an integer number (15349815).

Almost surely, 2^30699629 is an apocalyptic number.

It is an amenable number.

30699629 is a deficient number, since it is larger than the sum of its proper divisors (1).

30699629 is an equidigital number, since it uses as much as digits as its factorization.

30699629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 44.

The square root of 30699629 is about 5540.7245916035. The cubic root of 30699629 is about 313.1201687561.

The spelling of 30699629 in words is "thirty million, six hundred ninety-nine thousand, six hundred twenty-nine".