2643363047 has 4 divisors (see below), whose sum is σ = 2846698680. Its totient is φ = 2440027416.

The previous prime is 2643362987. The next prime is 2643363053. The reversal of 2643363047 is 7403633462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7403633462 = 2 ⋅3701816731.

It is a cyclic number.

It is not a de Polignac number, because 2643363047 - 2⁶ = 2643362983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2643363047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643363647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101667797 + ... + 101667822.

It is an arithmetic number, because the mean of its divisors is an integer number (711674670).

Almost surely, 2^2643363047 is an apocalyptic number.

2643363047 is a deficient number, since it is larger than the sum of its proper divisors (203335633).

2643363047 is a wasteful number, since it uses less digits than its factorization.

2643363047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203335632.

The product of its (nonzero) digits is 217728, while the sum is 38.

The square root of 2643363047 is about 51413.6465055728. The cubic root of 2643363047 is about 1382.6712676366.

The spelling of 2643363047 in words is "two billion, six hundred forty-three million, three hundred sixty-three thousand, forty-seven".