1783642225073 has 4 divisors (see below), whose sum is σ = 1790748369648. Its totient is φ = 1776536080500.

The previous prime is 1783642225031. The next prime is 1783642225133. The reversal of 1783642225073 is 3705222463871.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1783642225073 - 2³⁰ = 1782568483249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1783642221073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3553071911 + ... + 3553072412.

It is an arithmetic number, because the mean of its divisors is an integer number (447687092412).

Almost surely, 2^{1783642225073} is an apocalyptic number.

It is an amenable number.

1783642225073 is a deficient number, since it is larger than the sum of its proper divisors (7106144575).

1783642225073 is an equidigital number, since it uses as much as digits as its factorization.

1783642225073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106144574.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 1783642225073 in words is "one trillion, seven hundred eighty-three billion, six hundred forty-two million, two hundred twenty-five thousand, seventy-three".