43096409261 has 2 divisors, whose sum is σ = 43096409262. Its totient is φ = 43096409260.

The previous prime is 43096409203. The next prime is 43096409371. The reversal of 43096409261 is 16290469034.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42929353636 + 167055625 = 207194^2 + 12925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43096409261 is a prime.

It is a super-2 number, since 2×43096409261² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43096409561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21548204630 + 21548204631.

It is an arithmetic number, because the mean of its divisors is an integer number (21548204631).

Almost surely, 2^43096409261 is an apocalyptic number.

It is an amenable number.

43096409261 is a deficient number, since it is larger than the sum of its proper divisors (1).

43096409261 is an equidigital number, since it uses as much as digits as its factorization.

43096409261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 44.

The spelling of 43096409261 in words is "forty-three billion, ninety-six million, four hundred nine thousand, two hundred sixty-one".