2646602415243 has 12 divisors (see below), whose sum is σ = 3823086892248. Its totient is φ = 1764301577760.

The previous prime is 2646602415161. The next prime is 2646602415269. The reversal of 2646602415243 is 3425142066462.

It is a happy number.

2646602415243 is a `hidden beast` number, since 2 + 6 + 4 + 6 + 602 + 4 + 15 + 24 + 3 = 666.

It is not a de Polignac number, because 2646602415243 - 2¹² = 2646602411147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2646602415293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8168293 + ... + 8486118.

It is an arithmetic number, because the mean of its divisors is an integer number (318590574354).

Almost surely, 2^{2646602415243} is an apocalyptic number.

2646602415243 is a deficient number, since it is larger than the sum of its proper divisors (1176484477005).

2646602415243 is a wasteful number, since it uses less digits than its factorization.

2646602415243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672074 (or 16672071 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 2646602415243 in words is "two trillion, six hundred forty-six billion, six hundred two million, four hundred fifteen thousand, two hundred forty-three".