4155974449 has 8 divisors (see below), whose sum is σ = 4556806848. Its totient is φ = 3758978160.

The previous prime is 4155974447. The next prime is 4155974477. The reversal of 4155974449 is 9444795514.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4155974449 - 2¹ = 4155974447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4155974396 and 4155974405.

It is not an unprimeable number, because it can be changed into a prime (4155974447) 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 7 ways as a sum of consecutive naturals, for example, 956757 + ... + 961090.

It is an arithmetic number, because the mean of its divisors is an integer number (569600856).

Almost surely, 2^4155974449 is an apocalyptic number.

It is an amenable number.

4155974449 is a deficient number, since it is larger than the sum of its proper divisors (400832399).

4155974449 is a wasteful number, since it uses less digits than its factorization.

4155974449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918055.

The product of its digits is 3628800, while the sum is 52.

The square root of 4155974449 is about 64466.8476738238. The cubic root of 4155974449 is about 1607.7713656071.

The spelling of 4155974449 in words is "four billion, one hundred fifty-five million, nine hundred seventy-four thousand, four hundred forty-nine".