4021434110437 has 2 divisors, whose sum is σ = 4021434110438. Its totient is φ = 4021434110436.

The previous prime is 4021434110417. The next prime is 4021434110537. The reversal of 4021434110437 is 7340114341204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3705678900196 + 315755210241 = 1925014^2 + 561921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4021434110437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021434110417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010717055218 + 2010717055219.

It is an arithmetic number, because the mean of its divisors is an integer number (2010717055219).

Almost surely, 2^{4021434110437} is an apocalyptic number.

It is an amenable number.

4021434110437 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021434110437 is an equidigital number, since it uses as much as digits as its factorization.

4021434110437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 4021434110437 in words is "four trillion, twenty-one billion, four hundred thirty-four million, one hundred ten thousand, four hundred thirty-seven".