1572873001489 has 2 divisors, whose sum is σ = 1572873001490. Its totient is φ = 1572873001488.

The previous prime is 1572873001391. The next prime is 1572873001499. The reversal of 1572873001489 is 9841003782751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1232470767889 + 340402233600 = 1110167^2 + 583440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1572873001489 - 2¹¹ = 1572872999441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1572873001499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786436500744 + 786436500745.

It is an arithmetic number, because the mean of its divisors is an integer number (786436500745).

Almost surely, 2^{1572873001489} is an apocalyptic number.

It is an amenable number.

1572873001489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572873001489 is an equidigital number, since it uses as much as digits as its factorization.

1572873001489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 1572873001489 in words is "one trillion, five hundred seventy-two billion, eight hundred seventy-three million, one thousand, four hundred eighty-nine".