42663346043 has 4 divisors (see below), whose sum is σ = 42688458600. Its totient is φ = 42638233488.

The previous prime is 42663346031. The next prime is 42663346057. The reversal of 42663346043 is 34064336624.

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

It is a cyclic number.

It is not a de Polignac number, because 42663346043 - 2²⁰ = 42662297467 is a prime.

It is a super-2 number, since 2×42663346043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42663546043) 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, 12553730 + ... + 12557127.

It is an arithmetic number, because the mean of its divisors is an integer number (10672114650).

Almost surely, 2^42663346043 is an apocalyptic number.

42663346043 is a deficient number, since it is larger than the sum of its proper divisors (25112557).

42663346043 is a wasteful number, since it uses less digits than its factorization.

42663346043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25112556.

The product of its (nonzero) digits is 746496, while the sum is 41.

The spelling of 42663346043 in words is "forty-two billion, six hundred sixty-three million, three hundred forty-six thousand, forty-three".