30474775505 has 4 divisors (see below), whose sum is σ = 36569730612. Its totient is φ = 24379820400.

The previous prime is 30474775411. The next prime is 30474775511. The reversal of 30474775505 is 50557747403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4974198784 + 25500576721 = 70528^2 + 159689^2 .

It is not a de Polignac number, because 30474775505 - 2⁸ = 30474775249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30474775505.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3047477546 + ... + 3047477555.

It is an arithmetic number, because the mean of its divisors is an integer number (9142432653).

Almost surely, 2^30474775505 is an apocalyptic number.

It is an amenable number.

30474775505 is a deficient number, since it is larger than the sum of its proper divisors (6094955107).

30474775505 is an equidigital number, since it uses as much as digits as its factorization.

30474775505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6094955106.

The product of its (nonzero) digits is 2058000, while the sum is 47.

The spelling of 30474775505 in words is "thirty billion, four hundred seventy-four million, seven hundred seventy-five thousand, five hundred five".