2249449161 has 16 divisors (see below), whose sum is σ = 3071730816. Its totient is φ = 1463694336.

The previous prime is 2249449127. The next prime is 2249449171. The reversal of 2249449161 is 1619449422.

2249449161 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2249449161 - 2¹⁴ = 2249432777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2249449171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5965 + ... + 67338.

It is an arithmetic number, because the mean of its divisors is an integer number (191983176).

Almost surely, 2^2249449161 is an apocalyptic number.

It is an amenable number.

2249449161 is a deficient number, since it is larger than the sum of its proper divisors (822281655).

2249449161 is a wasteful number, since it uses less digits than its factorization.

2249449161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73552.

The product of its digits is 124416, while the sum is 42.

The square root of 2249449161 is about 47428.3581942281. The cubic root of 2249449161 is about 1310.2637545569.

The spelling of 2249449161 in words is "two billion, two hundred forty-nine million, four hundred forty-nine thousand, one hundred sixty-one".