1572871442893 has 2 divisors, whose sum is σ = 1572871442894. Its totient is φ = 1572871442892.

The previous prime is 1572871442873. The next prime is 1572871442921. The reversal of 1572871442893 is 3982441782751.

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., 1532042391049 + 40829051844 = 1237757^2 + 202062^2 .

It is a cyclic number.

It is not a de Polignac number, because 1572871442893 - 2¹⁷ = 1572871311821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1572871442873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786435721446 + 786435721447.

It is an arithmetic number, because the mean of its divisors is an integer number (786435721447).

Almost surely, 2^{1572871442893} is an apocalyptic number.

It is an amenable number.

1572871442893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572871442893 is an equidigital number, since it uses as much as digits as its factorization.

1572871442893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 61.

The spelling of 1572871442893 in words is "one trillion, five hundred seventy-two billion, eight hundred seventy-one million, four hundred forty-two thousand, eight hundred ninety-three".