2397533269609 has 27 divisors (see below), whose sum is σ = 2511513742647. Its totient is φ = 2288629863408.

The previous prime is 2397533269601. The next prime is 2397533269639. The reversal of 2397533269609 is 9069623357932.

The square root of 2397533269609 is 1548397.

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

2397533269609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1257208290009 + 1140324979600 = 1121253^2 + 1067860^2 .

It is not a de Polignac number, because 2397533269609 - 2³ = 2397533269601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2397533269601) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4804675642 + ... + 4804676140.

Almost surely, 2^{2397533269609} is an apocalyptic number.

2397533269609 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

2397533269609 is the 1548397-th square number.

2397533269609 is the 774199-th centered octagonal number.

It is an amenable number.

2397533269609 is a deficient number, since it is larger than the sum of its proper divisors (113980473038).

2397533269609 is an frugal number, since it uses more digits than its factorization.

2397533269609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 635 counting only the distinct ones).

The product of its (nonzero) digits is 99202320, while the sum is 64.

Multiplying 2397533269609 by its sum of digits (64), we get a square (153442129254976 = 12387176²).

The spelling of 2397533269609 in words is "two trillion, three hundred ninety-seven billion, five hundred thirty-three million, two hundred sixty-nine thousand, six hundred nine".