1873191629473 has 2 divisors, whose sum is σ = 1873191629474. Its totient is φ = 1873191629472.

The previous prime is 1873191629443. The next prime is 1873191629483. The reversal of 1873191629473 is 3749261913781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1608592499809 + 264599129664 = 1268303^2 + 514392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1873191629473 is a prime.

It is not a weakly prime, because it can be changed into another prime (1873191629443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 936595814736 + 936595814737.

It is an arithmetic number, because the mean of its divisors is an integer number (936595814737).

Almost surely, 2^{1873191629473} is an apocalyptic number.

It is an amenable number.

1873191629473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1873191629473 is an equidigital number, since it uses as much as digits as its factorization.

1873191629473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 61.

The spelling of 1873191629473 in words is "one trillion, eight hundred seventy-three billion, one hundred ninety-one million, six hundred twenty-nine thousand, four hundred seventy-three".