30109336457 has 4 divisors (see below), whose sum is σ = 30109766676. Its totient is φ = 30108906240.

The previous prime is 30109336421. The next prime is 30109336471. The reversal of 30109336457 is 75463390103.

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 29958071056 + 151265401 = 173084^2 + 12299^2 .

It is a cyclic number.

It is not a de Polignac number, because 30109336457 - 2¹⁸ = 30109074313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30109336417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83144 + ... + 259097.

It is an arithmetic number, because the mean of its divisors is an integer number (7527441669).

Almost surely, 2^30109336457 is an apocalyptic number.

It is an amenable number.

30109336457 is a deficient number, since it is larger than the sum of its proper divisors (430219).

30109336457 is an equidigital number, since it uses as much as digits as its factorization.

30109336457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430218.

The product of its (nonzero) digits is 204120, while the sum is 41.

The spelling of 30109336457 in words is "thirty billion, one hundred nine million, three hundred thirty-six thousand, four hundred fifty-seven".