2261605330313 has 8 divisors (see below), whose sum is σ = 2599632222528. Its totient is φ = 1927313542224.

The previous prime is 2261605330277. The next prime is 2261605330363. The reversal of 2261605330313 is 3130335061622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2261605330313 - 2⁶ = 2261605330249 is a prime.

It is a super-2 number, since 2×2261605330313² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2261605330363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933774731 + ... + 933777152.

It is an arithmetic number, because the mean of its divisors is an integer number (324954027816).

Almost surely, 2^{2261605330313} is an apocalyptic number.

It is an amenable number.

2261605330313 is a deficient number, since it is larger than the sum of its proper divisors (338026892215).

2261605330313 is a wasteful number, since it uses less digits than its factorization.

2261605330313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867552063.

The product of its (nonzero) digits is 58320, while the sum is 35.

The spelling of 2261605330313 in words is "two trillion, two hundred sixty-one billion, six hundred five million, three hundred thirty thousand, three hundred thirteen".