30874211845 has 4 divisors (see below), whose sum is σ = 37049054220. Its totient is φ = 24699369472.

The previous prime is 30874211789. The next prime is 30874211923. The reversal of 30874211845 is 54811247803.

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 17071251649 + 13802960196 = 130657^2 + 117486^2 .

It is a cyclic number.

It is not a de Polignac number, because 30874211845 - 2¹⁷ = 30874080773 is a prime.

It is a congruent number.

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, 3087421180 + ... + 3087421189.

It is an arithmetic number, because the mean of its divisors is an integer number (9262263555).

Almost surely, 2^30874211845 is an apocalyptic number.

It is an amenable number.

30874211845 is a deficient number, since it is larger than the sum of its proper divisors (6174842375).

30874211845 is an equidigital number, since it uses as much as digits as its factorization.

30874211845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174842374.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 30874211845 in words is "thirty billion, eight hundred seventy-four million, two hundred eleven thousand, eight hundred forty-five".