2043403321979 has 2 divisors, whose sum is σ = 2043403321980. Its totient is φ = 2043403321978.

The previous prime is 2043403321907. The next prime is 2043403322047. The reversal of 2043403321979 is 9791233043402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2043403321979 - 2²⁸ = 2043134886523 is a prime.

It is not a weakly prime, because it can be changed into another prime (2043403321279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021701660989 + 1021701660990.

It is an arithmetic number, because the mean of its divisors is an integer number (1021701660990).

Almost surely, 2^{2043403321979} is an apocalyptic number.

2043403321979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043403321979 is an equidigital number, since it uses as much as digits as its factorization.

2043403321979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 47.

The spelling of 2043403321979 in words is "two trillion, forty-three billion, four hundred three million, three hundred twenty-one thousand, nine hundred seventy-nine".