8002293643 has 4 divisors (see below), whose sum is σ = 8012334960. Its totient is φ = 7992252328.

The previous prime is 8002293623. The next prime is 8002293647. The reversal of 8002293643 is 3463922008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8002293643 is a prime.

It is a super-2 number, since 2×8002293643² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8002293647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5019463 + ... + 5021056.

It is an arithmetic number, because the mean of its divisors is an integer number (2003083740).

Almost surely, 2^8002293643 is an apocalyptic number.

8002293643 is a deficient number, since it is larger than the sum of its proper divisors (10041317).

8002293643 is a wasteful number, since it uses less digits than its factorization.

8002293643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10041316.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 8002293643 is about 89455.5400352600. The cubic root of 8002293643 is about 2000.1911186529.

The spelling of 8002293643 in words is "eight billion, two million, two hundred ninety-three thousand, six hundred forty-three".