30526649149 has 2 divisors, whose sum is σ = 30526649150. Its totient is φ = 30526649148.

The previous prime is 30526649141. The next prime is 30526649171. The reversal of 30526649149 is 94194662503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18358353049 + 12168296100 = 135493^2 + 110310^2 .

It is an emirp because it is prime and its reverse (94194662503) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30526649149 - 2³ = 30526649141 is a prime.

It is a super-3 number, since 3×30526649149³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30526649141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15263324574 + 15263324575.

It is an arithmetic number, because the mean of its divisors is an integer number (15263324575).

Almost surely, 2^30526649149 is an apocalyptic number.

It is an amenable number.

30526649149 is a deficient number, since it is larger than the sum of its proper divisors (1).

30526649149 is an equidigital number, since it uses as much as digits as its factorization.

30526649149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 30526649149 in words is "thirty billion, five hundred twenty-six million, six hundred forty-nine thousand, one hundred forty-nine".