4099102261 has 2 divisors, whose sum is σ = 4099102262. Its totient is φ = 4099102260.

The previous prime is 4099102253. The next prime is 4099102283. The reversal of 4099102261 is 1622019904.

4099102261 is digitally balanced in base 3, 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., 3703331025 + 395771236 = 60855^2 + 19894^2 .

It is a cyclic number.

It is not a de Polignac number, because 4099102261 - 2³ = 4099102253 is a prime.

It is a super-2 number, since 2×4099102261² = 33605278692270624242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4099102201) 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 as a sum of consecutive naturals, namely, 2049551130 + 2049551131.

It is an arithmetic number, because the mean of its divisors is an integer number (2049551131).

Almost surely, 2^4099102261 is an apocalyptic number.

It is an amenable number.

4099102261 is a deficient number, since it is larger than the sum of its proper divisors (1).

4099102261 is an equidigital number, since it uses as much as digits as its factorization.

4099102261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 4099102261 is about 64024.2318267076. The cubic root of 4099102261 is about 1600.4038382974.

The spelling of 4099102261 in words is "four billion, ninety-nine million, one hundred two thousand, two hundred sixty-one".