30266686249 has 2 divisors, whose sum is σ = 30266686250. Its totient is φ = 30266686248.

The previous prime is 30266686231. The next prime is 30266686259. The reversal of 30266686249 is 94268666203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23382997225 + 6883689024 = 152915^2 + 82968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30266686249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30266686196 and 30266686205.

It is not a weakly prime, because it can be changed into another prime (30266686259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15133343124 + 15133343125.

It is an arithmetic number, because the mean of its divisors is an integer number (15133343125).

Almost surely, 2^30266686249 is an apocalyptic number.

It is an amenable number.

30266686249 is a deficient number, since it is larger than the sum of its proper divisors (1).

30266686249 is an equidigital number, since it uses as much as digits as its factorization.

30266686249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 30266686249 in words is "thirty billion, two hundred sixty-six million, six hundred eighty-six thousand, two hundred forty-nine".