2169941461 has 2 divisors, whose sum is σ = 2169941462. Its totient is φ = 2169941460.

The previous prime is 2169941447. The next prime is 2169941519. The reversal of 2169941461 is 1641499612.

2169941461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2165506225 + 4435236 = 46535^2 + 2106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2169941461 - 2¹⁵ = 2169908693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2169941161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084970730 + 1084970731.

It is an arithmetic number, because the mean of its divisors is an integer number (1084970731).

Almost surely, 2^2169941461 is an apocalyptic number.

It is an amenable number.

2169941461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2169941461 is an equidigital number, since it uses as much as digits as its factorization.

2169941461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 2169941461 is about 46582.6304645841. The cubic root of 2169941461 is about 1294.6409485448.

The spelling of 2169941461 in words is "two billion, one hundred sixty-nine million, nine hundred forty-one thousand, four hundred sixty-one".