4631549449 has 4 divisors (see below), whose sum is σ = 4632645780. Its totient is φ = 4630453120.

The previous prime is 4631549437. The next prime is 4631549467. The reversal of 4631549449 is 9449451364.

4631549449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4609459449 + 22090000 = 67893^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 4631549449 - 2¹⁷ = 4631418377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4631529449) 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, 541804 + ... + 550285.

It is an arithmetic number, because the mean of its divisors is an integer number (1158161445).

Almost surely, 2^4631549449 is an apocalyptic number.

It is an amenable number.

4631549449 is a deficient number, since it is larger than the sum of its proper divisors (1096331).

4631549449 is a wasteful number, since it uses less digits than its factorization.

4631549449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096330.

The product of its digits is 1866240, while the sum is 49.

The square root of 4631549449 is about 68055.4880152953. The cubic root of 4631549449 is about 1666.8970131539.

The spelling of 4631549449 in words is "four billion, six hundred thirty-one million, five hundred forty-nine thousand, four hundred forty-nine".