43211402867 has 2 divisors, whose sum is σ = 43211402868. Its totient is φ = 43211402866.

The previous prime is 43211402831. The next prime is 43211402879. The reversal of 43211402867 is 76820411234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43211402867 - 2¹² = 43211398771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43211402867.

It is not a weakly prime, because it can be changed into another prime (43211402887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21605701433 + 21605701434.

It is an arithmetic number, because the mean of its divisors is an integer number (21605701434).

Almost surely, 2^43211402867 is an apocalyptic number.

43211402867 is a deficient number, since it is larger than the sum of its proper divisors (1).

43211402867 is an equidigital number, since it uses as much as digits as its factorization.

43211402867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 43211402867 in words is "forty-three billion, two hundred eleven million, four hundred two thousand, eight hundred sixty-seven".