30471549413 has 2 divisors, whose sum is σ = 30471549414. Its totient is φ = 30471549412.

The previous prime is 30471549397. The next prime is 30471549509. The reversal of 30471549413 is 31494517403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26653174564 + 3818374849 = 163258^2 + 61793^2 .

It is an emirp because it is prime and its reverse (31494517403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30471549413 - 2⁴ = 30471549397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30471549313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15235774706 + 15235774707.

It is an arithmetic number, because the mean of its divisors is an integer number (15235774707).

Almost surely, 2^30471549413 is an apocalyptic number.

It is an amenable number.

30471549413 is a deficient number, since it is larger than the sum of its proper divisors (1).

30471549413 is an equidigital number, since it uses as much as digits as its factorization.

30471549413 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 41.

The spelling of 30471549413 in words is "thirty billion, four hundred seventy-one million, five hundred forty-nine thousand, four hundred thirteen".