16453105742473 has 4 divisors (see below), whose sum is σ = 16637972099220. Its totient is φ = 16268239385728.

The previous prime is 16453105742441. The next prime is 16453105742531. The reversal of 16453105742473 is 37424750135461.

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 2773264057344 + 13679841685129 = 1665312^2 + 3698627^2 .

It is a cyclic number.

It is not a de Polignac number, because 16453105742473 - 2⁵ = 16453105742441 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 16453105742473.

It is not an unprimeable number, because it can be changed into a prime (16453105742273) 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, 92433178240 + ... + 92433178417.

It is an arithmetic number, because the mean of its divisors is an integer number (4159493024805).

Almost surely, 2^{16453105742473} is an apocalyptic number.

It is an amenable number.

16453105742473 is a deficient number, since it is larger than the sum of its proper divisors (184866356747).

16453105742473 is an equidigital number, since it uses as much as digits as its factorization.

16453105742473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184866356746.

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 16453105742473 in words is "sixteen trillion, four hundred fifty-three billion, one hundred five million, seven hundred forty-two thousand, four hundred seventy-three".