4079249161 has 21 divisors (see below), whose sum is σ = 4693248561. Its totient is φ = 3543963072.

The previous prime is 4079249143. The next prime is 4079249171. The reversal of 4079249161 is 1619429704.

The square root of 4079249161 is 63869.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 10 ways, for example, as 3156304761 + 922944400 = 56181^2 + 30380^2 .

It is not a de Polignac number, because 4079249161 - 2⁵ = 4079249129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4079249101) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 239955825 + ... + 239955841.

Almost surely, 2^4079249161 is an apocalyptic number.

4079249161 is the 63869-th square number.

4079249161 is the 31935-th centered octagonal number.

It is an amenable number.

4079249161 is a deficient number, since it is larger than the sum of its proper divisors (613999400).

4079249161 is an frugal number, since it uses more digits than its factorization.

4079249161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The cubic root of 4079249161 is about 1597.8159211532.

The spelling of 4079249161 in words is "four billion, seventy-nine million, two hundred forty-nine thousand, one hundred sixty-one".