2757535899889 has 9 divisors (see below), whose sum is σ = 2773326137547. Its totient is φ = 2741835087624.

The previous prime is 2757535899869. The next prime is 2757535899949. The reversal of 2757535899889 is 9889985357572.

The square root of 2757535899889 is 1660583.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2258122317025 + 499413582864 = 1502705^2 + 706692^2 .

It is not a de Polignac number, because 2757535899889 - 2¹³ = 2757535891697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2757535899869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 297239719 + ... + 297248995.

Almost surely, 2^{2757535899889} is an apocalyptic number.

2757535899889 is the 1660583-rd square number.

2757535899889 is the 830292-nd centered octagonal number.

It is an amenable number.

2757535899889 is a deficient number, since it is larger than the sum of its proper divisors (15790237658).

2757535899889 is an frugal number, since it uses more digits than its factorization.

2757535899889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18912 (or 9456 counting only the distinct ones).

The product of its digits is 13716864000, while the sum is 85.

The spelling of 2757535899889 in words is "two trillion, seven hundred fifty-seven billion, five hundred thirty-five million, eight hundred ninety-nine thousand, eight hundred eighty-nine".