5599645451449 has 21 divisors (see below), whose sum is σ = 6533858833957. Its totient is φ = 4799000392284.

The previous prime is 5599645451443. The next prime is 5599645451501. The reversal of 5599645451449 is 9441545469955.

The square root of 5599645451449 is 2366357.

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

It is not a de Polignac number, because 5599645451449 - 2⁷ = 5599645451321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5599645451443) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 811657002 + ... + 811663900.

Almost surely, 2^{5599645451449} is an apocalyptic number.

5599645451449 is the 2366357-th square number.

5599645451449 is the 1183179-th centered octagonal number.

It is an amenable number.

5599645451449 is a deficient number, since it is larger than the sum of its proper divisors (934213382508).

5599645451449 is an frugal number, since it uses more digits than its factorization.

5599645451449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13840 (or 6906 counting only the distinct ones).

The product of its digits is 699840000, while the sum is 70.

The spelling of 5599645451449 in words is "five trillion, five hundred ninety-nine billion, six hundred forty-five million, four hundred fifty-one thousand, four hundred forty-nine".