1572872728573 has 2 divisors, whose sum is σ = 1572872728574. Its totient is φ = 1572872728572.

The previous prime is 1572872728547. The next prime is 1572872728579. The reversal of 1572872728573 is 3758272782751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095166436004 + 477706292569 = 1046502^2 + 691163^2 .

It is an emirp because it is prime and its reverse (3758272782751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1572872728573 - 2¹³ = 1572872720381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1572872728579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786436364286 + 786436364287.

It is an arithmetic number, because the mean of its divisors is an integer number (786436364287).

Almost surely, 2^{1572872728573} is an apocalyptic number.

It is an amenable number.

1572872728573 is a deficient number, since it is larger than the sum of its proper divisors (1).

1572872728573 is an equidigital number, since it uses as much as digits as its factorization.

1572872728573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92198400, while the sum is 64.

The spelling of 1572872728573 in words is "one trillion, five hundred seventy-two billion, eight hundred seventy-two million, seven hundred twenty-eight thousand, five hundred seventy-three".