30453856447 has 4 divisors (see below), whose sum is σ = 34804407376. Its totient is φ = 26103305520.

The previous prime is 30453856441. The next prime is 30453856463. The reversal of 30453856447 is 74465835403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74465835403 = 17 ⋅4380343259.

It is a cyclic number.

It is not a de Polignac number, because 30453856447 - 2¹¹ = 30453854399 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 30453856447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30453856441) 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, 2175275454 + ... + 2175275467.

It is an arithmetic number, because the mean of its divisors is an integer number (8701101844).

Almost surely, 2^30453856447 is an apocalyptic number.

30453856447 is a deficient number, since it is larger than the sum of its proper divisors (4350550929).

30453856447 is an equidigital number, since it uses as much as digits as its factorization.

30453856447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350550928.

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 30453856447 in words is "thirty billion, four hundred fifty-three million, eight hundred fifty-six thousand, four hundred forty-seven".