4321234321291 has 2 divisors, whose sum is σ = 4321234321292. Its totient is φ = 4321234321290.

The previous prime is 4321234321223. The next prime is 4321234321301. The reversal of 4321234321291 is 1921234321234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4321234321291 - 2²¹ = 4321232224139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4321234321291.

It is not a weakly prime, because it can be changed into another prime (4321234321211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160617160645 + 2160617160646.

It is an arithmetic number, because the mean of its divisors is an integer number (2160617160646).

Almost surely, 2^{4321234321291} is an apocalyptic number.

4321234321291 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321234321291 is an equidigital number, since it uses as much as digits as its factorization.

4321234321291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The spelling of 4321234321291 in words is "four trillion, three hundred twenty-one billion, two hundred thirty-four million, three hundred twenty-one thousand, two hundred ninety-one".