2261206523399 has 2 divisors, whose sum is σ = 2261206523400. Its totient is φ = 2261206523398.

The previous prime is 2261206523393. The next prime is 2261206523449. The reversal of 2261206523399 is 9933256021622.

2261206523399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2261206523449) can be obtained adding 2261206523399 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2261206523399 - 2¹⁶ = 2261206457863 is a prime.

It is a super-2 number, since 2×2261206523399² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2261206523393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130603261699 + 1130603261700.

It is an arithmetic number, because the mean of its divisors is an integer number (1130603261700).

Almost surely, 2^{2261206523399} is an apocalyptic number.

2261206523399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261206523399 is an equidigital number, since it uses as much as digits as its factorization.

2261206523399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 2261206523399 in words is "two trillion, two hundred sixty-one billion, two hundred six million, five hundred twenty-three thousand, three hundred ninety-nine".