2013603043873 has 2 divisors, whose sum is σ = 2013603043874. Its totient is φ = 2013603043872.

The previous prime is 2013603043813. The next prime is 2013603043891. The reversal of 2013603043873 is 3783403063102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2004214984209 + 9388059664 = 1415703^2 + 96892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013603043873 is a prime.

It is a super-2 number, since 2×2013603043873² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2013603043813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006801521936 + 1006801521937.

It is an arithmetic number, because the mean of its divisors is an integer number (1006801521937).

Almost surely, 2^{2013603043873} is an apocalyptic number.

It is an amenable number.

2013603043873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2013603043873 is an equidigital number, since it uses as much as digits as its factorization.

2013603043873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 2013603043873 in words is "two trillion, thirteen billion, six hundred three million, forty-three thousand, eight hundred seventy-three".