3545368849 has 9 divisors (see below), whose sum is σ = 3897695739. Its totient is φ = 3222467160.

The previous prime is 3545368843. The next prime is 3545368867. The reversal of 3545368849 is 9488635453.

The square root of 3545368849 is 59543.

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., 771450625 + 2773918224 = 27775^2 + 52668^2 .

It is not a de Polignac number, because 3545368849 - 2⁵ = 3545368817 is a prime.

It is a super-3 number, since 3×3545368849³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3545368849.

It is not an unprimeable number, because it can be changed into a prime (3545368843) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 652267 + ... + 657679.

Almost surely, 2^3545368849 is an apocalyptic number.

3545368849 is the 59543-rd square number.

3545368849 is the 29772-nd centered octagonal number.

It is an amenable number.

3545368849 is a deficient number, since it is larger than the sum of its proper divisors (352326890).

3545368849 is an frugal number, since it uses more digits than its factorization.

3545368849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10848 (or 5424 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 55.

The cubic root of 3545368849 is about 1524.8266539865.

The spelling of 3545368849 in words is "three billion, five hundred forty-five million, three hundred sixty-eight thousand, eight hundred forty-nine".