1641726593103 has 4 divisors (see below), whose sum is σ = 2188968790808. Its totient is φ = 1094484395400.

The previous prime is 1641726593083. The next prime is 1641726593147. The reversal of 1641726593103 is 3013956271461.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1641726593103 - 2²⁰ = 1641725544527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641726593203) 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, 273621098848 + ... + 273621098853.

It is an arithmetic number, because the mean of its divisors is an integer number (547242197702).

Almost surely, 2^{1641726593103} is an apocalyptic number.

1641726593103 is a deficient number, since it is larger than the sum of its proper divisors (547242197705).

1641726593103 is an equidigital number, since it uses as much as digits as its factorization.

1641726593103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547242197704.

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 1641726593103 in words is "one trillion, six hundred forty-one billion, seven hundred twenty-six million, five hundred ninety-three thousand, one hundred three".