1573001585873 has 2 divisors, whose sum is σ = 1573001585874. Its totient is φ = 1573001585872.

The previous prime is 1573001585851. The next prime is 1573001585879. The reversal of 1573001585873 is 3785851003751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 890348877889 + 682652707984 = 943583^2 + 826228^2 .

It is an emirp because it is prime and its reverse (3785851003751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1573001585873 - 2¹² = 1573001581777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1573001585879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786500792936 + 786500792937.

It is an arithmetic number, because the mean of its divisors is an integer number (786500792937).

Almost surely, 2^{1573001585873} is an apocalyptic number.

It is an amenable number.

1573001585873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1573001585873 is an equidigital number, since it uses as much as digits as its factorization.

1573001585873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528000, while the sum is 53.

The spelling of 1573001585873 in words is "one trillion, five hundred seventy-three billion, one million, five hundred eighty-five thousand, eight hundred seventy-three".