30517471489 has 2 divisors, whose sum is σ = 30517471490. Its totient is φ = 30517471488.

The previous prime is 30517471463. The next prime is 30517471519. The reversal of 30517471489 is 98417471503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27803895025 + 2713576464 = 166745^2 + 52092^2 .

It is a cyclic number.

It is not a de Polignac number, because 30517471489 - 2¹¹ = 30517469441 is a prime.

It is not a weakly prime, because it can be changed into another prime (30517471459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15258735744 + 15258735745.

It is an arithmetic number, because the mean of its divisors is an integer number (15258735745).

Almost surely, 2^30517471489 is an apocalyptic number.

It is an amenable number.

30517471489 is a deficient number, since it is larger than the sum of its proper divisors (1).

30517471489 is an equidigital number, since it uses as much as digits as its factorization.

30517471489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 30517471489 in words is "thirty billion, five hundred seventeen million, four hundred seventy-one thousand, four hundred eighty-nine".