30156646249 has 2 divisors, whose sum is σ = 30156646250. Its totient is φ = 30156646248.

The previous prime is 30156646207. The next prime is 30156646253. The reversal of 30156646249 is 94264665103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16940844649 + 13215801600 = 130157^2 + 114960^2 .

It is a cyclic number.

It is not a de Polignac number, because 30156646249 - 2⁹ = 30156645737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30156646199 and 30156646208.

It is not a weakly prime, because it can be changed into another prime (30156646279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15078323124 + 15078323125.

It is an arithmetic number, because the mean of its divisors is an integer number (15078323125).

Almost surely, 2^30156646249 is an apocalyptic number.

It is an amenable number.

30156646249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30156646249 is an equidigital number, since it uses as much as digits as its factorization.

30156646249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 30156646249 in words is "thirty billion, one hundred fifty-six million, six hundred forty-six thousand, two hundred forty-nine".