1873083855613 has 2 divisors, whose sum is σ = 1873083855614. Its totient is φ = 1873083855612.

The previous prime is 1873083855589. The next prime is 1873083855697. The reversal of 1873083855613 is 3165583803781.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1244255473444 + 628828382169 = 1115462^2 + 792987^2 .

It is a cyclic number.

It is not a de Polignac number, because 1873083855613 - 2³³ = 1864493921021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1873083855113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936541927806 + 936541927807.

It is an arithmetic number, because the mean of its divisors is an integer number (936541927807).

Almost surely, 2^{1873083855613} is an apocalyptic number.

It is an amenable number.

1873083855613 is a deficient number, since it is larger than the sum of its proper divisors (1).

1873083855613 is an equidigital number, since it uses as much as digits as its factorization.

1873083855613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 1873083855613 in words is "one trillion, eight hundred seventy-three billion, eighty-three million, eight hundred fifty-five thousand, six hundred thirteen".