2739161569 has 9 divisors (see below), whose sum is σ = 2763502833. Its totient is φ = 2715034212.

The previous prime is 2739161539. The next prime is 2739161597. The reversal of 2739161569 is 9651619372.

The square root of 2739161569 is 52337.

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

It is not a de Polignac number, because 2739161569 - 2¹⁹ = 2738637281 is a prime.

It is a super-2 number, since 2×2739161569² = 15006012202173083522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2739161539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10414932 + ... + 10415194.

Almost surely, 2^2739161569 is an apocalyptic number.

2739161569 is the 52337-th square number.

2739161569 is the 26169-th centered octagonal number.

It is an amenable number.

2739161569 is a deficient number, since it is larger than the sum of its proper divisors (24341264).

2739161569 is an frugal number, since it uses more digits than its factorization.

2739161569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 462 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The cubic root of 2739161569 is about 1399.1766534660.

Multiplying 2739161569 by its sum of digits (49), we get a square (134218916881 = 366359²).

The spelling of 2739161569 in words is "two billion, seven hundred thirty-nine million, one hundred sixty-one thousand, five hundred sixty-nine".