3654449469 has 12 divisors (see below), whose sum is σ = 5758526592. Its totient is φ = 2214817800.

The previous prime is 3654449443. The next prime is 3654449473. The reversal of 3654449469 is 9649444563.

3654449469 is a `hidden beast` number, since 3 + 6 + 544 + 4 + 94 + 6 + 9 = 666.

It is not a de Polignac number, because 3654449469 - 2⁵ = 3654449437 is a prime.

It is a super-2 number, since 2×3654449469² = 26710001842948763922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3654449479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18456717 + ... + 18456914.

It is an arithmetic number, because the mean of its divisors is an integer number (479877216).

Almost surely, 2^3654449469 is an apocalyptic number.

It is an amenable number.

3654449469 is a deficient number, since it is larger than the sum of its proper divisors (2104077123).

3654449469 is a wasteful number, since it uses less digits than its factorization.

3654449469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36913648 (or 36913645 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 54.

The square root of 3654449469 is about 60452.0427198287. The cubic root of 3654449469 is about 1540.3071109836.

It can be divided in two parts, 36544494 and 69, that added together give a palindrome (36544563).

The spelling of 3654449469 in words is "three billion, six hundred fifty-four million, four hundred forty-nine thousand, four hundred sixty-nine".