4293291791161 has 2 divisors, whose sum is σ = 4293291791162. Its totient is φ = 4293291791160.

The previous prime is 4293291791123. The next prime is 4293291791177. The reversal of 4293291791161 is 1611971923924.

It is a happy number.

4293291791161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3261838275136 + 1031453516025 = 1806056^2 + 1015605^2 .

It is a cyclic number.

It is not a de Polignac number, because 4293291791161 - 2²⁹ = 4292754920249 is a prime.

It is not a weakly prime, because it can be changed into another prime (4293291791111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2146645895580 + 2146645895581.

It is an arithmetic number, because the mean of its divisors is an integer number (2146645895581).

Almost surely, 2^{4293291791161} is an apocalyptic number.

It is an amenable number.

4293291791161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4293291791161 is an equidigital number, since it uses as much as digits as its factorization.

4293291791161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 55.

The spelling of 4293291791161 in words is "four trillion, two hundred ninety-three billion, two hundred ninety-one million, seven hundred ninety-one thousand, one hundred sixty-one".