30156646207 has 2 divisors, whose sum is σ = 30156646208. Its totient is φ = 30156646206.

The previous prime is 30156646183. The next prime is 30156646249. The reversal of 30156646207 is 70264665103.

It is a weak prime.

It is an emirp because it is prime and its reverse (70264665103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30156646207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30156646207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30156640207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15078323103 + 15078323104.

It is an arithmetic number, because the mean of its divisors is an integer number (15078323104).

Almost surely, 2^30156646207 is an apocalyptic number.

30156646207 is a deficient number, since it is larger than the sum of its proper divisors (1).

30156646207 is an equidigital number, since it uses as much as digits as its factorization.

30156646207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 30156646207 in words is "thirty billion, one hundred fifty-six million, six hundred forty-six thousand, two hundred seven".