261334224299 has 2 divisors, whose sum is σ = 261334224300. Its totient is φ = 261334224298.

The previous prime is 261334224289. The next prime is 261334224377. The reversal of 261334224299 is 992422433162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 261334224299 - 2¹⁶ = 261334158763 is a prime.

It is not a weakly prime, because it can be changed into another prime (261334224209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130667112149 + 130667112150.

It is an arithmetic number, because the mean of its divisors is an integer number (130667112150).

Almost surely, 2^261334224299 is an apocalyptic number.

261334224299 is a deficient number, since it is larger than the sum of its proper divisors (1).

261334224299 is an equidigital number, since it uses as much as digits as its factorization.

261334224299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1119744, while the sum is 47.

The spelling of 261334224299 in words is "two hundred sixty-one billion, three hundred thirty-four million, two hundred twenty-four thousand, two hundred ninety-nine".