30623616613 has 2 divisors, whose sum is σ = 30623616614. Its totient is φ = 30623616612.

The previous prime is 30623616607. The next prime is 30623616619. The reversal of 30623616613 is 31661632603.

It is a balanced prime because it is at equal distance from previous prime (30623616607) and next prime (30623616619).

It can be written as a sum of positive squares in only one way, i.e., 16023002724 + 14600613889 = 126582^2 + 120833^2 .

It is an emirp because it is prime and its reverse (31661632603) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30623616613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30623616619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15311808306 + 15311808307.

It is an arithmetic number, because the mean of its divisors is an integer number (15311808307).

Almost surely, 2^30623616613 is an apocalyptic number.

It is an amenable number.

30623616613 is a deficient number, since it is larger than the sum of its proper divisors (1).

30623616613 is an equidigital number, since it uses as much as digits as its factorization.

30623616613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 37.

The spelling of 30623616613 in words is "thirty billion, six hundred twenty-three million, six hundred sixteen thousand, six hundred thirteen".