2261605330363 has 2 divisors, whose sum is σ = 2261605330364. Its totient is φ = 2261605330362.

The previous prime is 2261605330277. The next prime is 2261605330417. The reversal of 2261605330363 is 3630335061622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2261605330363 - 2¹⁷ = 2261605199291 is a prime.

It is a super-3 number, since 3×2261605330363³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2261605370363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1130802665181 + 1130802665182.

It is an arithmetic number, because the mean of its divisors is an integer number (1130802665182).

Almost surely, 2^{2261605330363} is an apocalyptic number.

2261605330363 is a deficient number, since it is larger than the sum of its proper divisors (1).

2261605330363 is an equidigital number, since it uses as much as digits as its factorization.

2261605330363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 40.

The spelling of 2261605330363 in words is "two trillion, two hundred sixty-one billion, six hundred five million, three hundred thirty thousand, three hundred sixty-three".