43211402879 has 2 divisors, whose sum is σ = 43211402880. Its totient is φ = 43211402878.

The previous prime is 43211402867. The next prime is 43211402887. The reversal of 43211402879 is 97820411234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43211402879 - 2²⁰ = 43210354303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43211402279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21605701439 + 21605701440.

It is an arithmetic number, because the mean of its divisors is an integer number (21605701440).

Almost surely, 2^43211402879 is an apocalyptic number.

43211402879 is a deficient number, since it is larger than the sum of its proper divisors (1).

43211402879 is an equidigital number, since it uses as much as digits as its factorization.

43211402879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 43211402879 in words is "forty-three billion, two hundred eleven million, four hundred two thousand, eight hundred seventy-nine".