3665555130449 has 4 divisors (see below), whose sum is σ = 3711954562560. Its totient is φ = 3619155698340.

The previous prime is 3665555130443. The next prime is 3665555130463. The reversal of 3665555130449 is 9440315555663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3665555130449 - 2²⁴ = 3665538353233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3665555130394 and 3665555130403.

It is not an unprimeable number, because it can be changed into a prime (3665555130443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23199715937 + ... + 23199716094.

It is an arithmetic number, because the mean of its divisors is an integer number (927988640640).

Almost surely, 2^{3665555130449} is an apocalyptic number.

It is an amenable number.

3665555130449 is a deficient number, since it is larger than the sum of its proper divisors (46399432111).

3665555130449 is an equidigital number, since it uses as much as digits as its factorization.

3665555130449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46399432110.

The product of its (nonzero) digits is 29160000, while the sum is 56.

The spelling of 3665555130449 in words is "three trillion, six hundred sixty-five billion, five hundred fifty-five million, one hundred thirty thousand, four hundred forty-nine".