4039948169 has 16 divisors (see below), whose sum is σ = 4384807680. Its totient is φ = 3709676880.

The previous prime is 4039948163. The next prime is 4039948177. The reversal of 4039948169 is 9618499304.

It is a cyclic number.

It is not a de Polignac number, because 4039948169 - 2⁸ = 4039947913 is a prime.

It is a super-2 number, since 2×4039948169² = 32642362416412905122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4039948169.

It is not an unprimeable number, because it can be changed into a prime (4039948163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88154 + ... + 125900.

It is an arithmetic number, because the mean of its divisors is an integer number (274050480).

Almost surely, 2^4039948169 is an apocalyptic number.

It is an amenable number.

4039948169 is a deficient number, since it is larger than the sum of its proper divisors (344859511).

4039948169 is a wasteful number, since it uses less digits than its factorization.

4039948169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37940.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 4039948169 is about 63560.5866005027. The cubic root of 4039948169 is about 1592.6680372784.

The spelling of 4039948169 in words is "four billion, thirty-nine million, nine hundred forty-eight thousand, one hundred sixty-nine".