43213278863 has 2 divisors, whose sum is σ = 43213278864. Its totient is φ = 43213278862.

The previous prime is 43213278781. The next prime is 43213278869. The reversal of 43213278863 is 36887231234.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43213278863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43213278869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606639431 + 21606639432.

It is an arithmetic number, because the mean of its divisors is an integer number (21606639432).

Almost surely, 2^43213278863 is an apocalyptic number.

43213278863 is a deficient number, since it is larger than the sum of its proper divisors (1).

43213278863 is an equidigital number, since it uses as much as digits as its factorization.

43213278863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 47.

The spelling of 43213278863 in words is "forty-three billion, two hundred thirteen million, two hundred seventy-eight thousand, eight hundred sixty-three".