4140291161 has 4 divisors (see below), whose sum is σ = 4168078500. Its totient is φ = 4112503824.

The previous prime is 4140291139. The next prime is 4140291167. The reversal of 4140291161 is 1611920414.

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 2495502025 + 1644789136 = 49955^2 + 40556^2 .

It is a cyclic number.

It is not a de Polignac number, because 4140291161 - 2³⁰ = 3066549337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4140291167) 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 3 ways as a sum of consecutive naturals, for example, 13893446 + ... + 13893743.

It is an arithmetic number, because the mean of its divisors is an integer number (1042019625).

Almost surely, 2^4140291161 is an apocalyptic number.

It is an amenable number.

4140291161 is a deficient number, since it is larger than the sum of its proper divisors (27787339).

4140291161 is a wasteful number, since it uses less digits than its factorization.

4140291161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27787338.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 4140291161 is about 64345.0943040726. The cubic root of 4140291161 is about 1605.7464152426.

The spelling of 4140291161 in words is "four billion, one hundred forty million, two hundred ninety-one thousand, one hundred sixty-one".