4012789161 has 16 divisors (see below), whose sum is σ = 5376751616. Its totient is φ = 2662037136.

The previous prime is 4012789153. The next prime is 4012789163. The reversal of 4012789161 is 1619872104.

It is not a de Polignac number, because 4012789161 - 2³ = 4012789153 is a prime.

It is a super-2 number, since 2×4012789161² = 32204953701278167842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012789163) 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 15 ways as a sum of consecutive naturals, for example, 695856 + ... + 701598.

It is an arithmetic number, because the mean of its divisors is an integer number (336046976).

Almost surely, 2^4012789161 is an apocalyptic number.

It is an amenable number.

4012789161 is a deficient number, since it is larger than the sum of its proper divisors (1363962455).

4012789161 is a wasteful number, since it uses less digits than its factorization.

4012789161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6852.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 4012789161 is about 63346.5797103522. The cubic root of 4012789161 is about 1589.0910460807.

The spelling of 4012789161 in words is "four billion, twelve million, seven hundred eighty-nine thousand, one hundred sixty-one".