1053500842673 has 4 divisors (see below), whose sum is σ = 1053505259508. Its totient is φ = 1053496425840.

The previous prime is 1053500842661. The next prime is 1053500842697. The reversal of 1053500842673 is 3762480053501.

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 862721453584 + 190779389089 = 928828^2 + 436783^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053500842673 - 2⁴ = 1053500842657 is a prime.

It is a super-2 number, since 2×1053500842673² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053500842643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1828898 + ... + 2334923.

It is an arithmetic number, because the mean of its divisors is an integer number (263376314877).

Almost surely, 2^{1053500842673} is an apocalyptic number.

It is an amenable number.

1053500842673 is a deficient number, since it is larger than the sum of its proper divisors (4416835).

1053500842673 is an equidigital number, since it uses as much as digits as its factorization.

1053500842673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416834.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 1053500842673 in words is "one trillion, fifty-three billion, five hundred million, eight hundred forty-two thousand, six hundred seventy-three".