2646113849345 has 8 divisors (see below), whose sum is σ = 3175351388520. Its totient is φ = 2116881233280.

The previous prime is 2646113849329. The next prime is 2646113849369. The reversal of 2646113849345 is 5439483116462.

It is a Cunningham number, because it is equal to 1626688²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 378707313664 + 2267406535681 = 615392^2 + 1505791^2 .

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

It is not a de Polignac number, because 2646113849345 - 2⁴ = 2646113849329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78275 + ... + 2301815.

It is an arithmetic number, because the mean of its divisors is an integer number (396918923565).

Almost surely, 2^{2646113849345} is an apocalyptic number.

It is an amenable number.

2646113849345 is a deficient number, since it is larger than the sum of its proper divisors (529237539175).

2646113849345 is a wasteful number, since it uses less digits than its factorization.

2646113849345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461555.

The product of its digits is 14929920, while the sum is 56.

The spelling of 2646113849345 in words is "two trillion, six hundred forty-six billion, one hundred thirteen million, eight hundred forty-nine thousand, three hundred forty-five".