2271434234437 has 2 divisors, whose sum is σ = 2271434234438. Its totient is φ = 2271434234436.

The previous prime is 2271434234431. The next prime is 2271434234473. The reversal of 2271434234437 is 7344324341722.

Together with next prime (2271434234473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1689495637636 + 581938596801 = 1299806^2 + 762849^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271434234437 - 2⁷ = 2271434234309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271434234431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135717117218 + 1135717117219.

It is an arithmetic number, because the mean of its divisors is an integer number (1135717117219).

Almost surely, 2^{2271434234437} is an apocalyptic number.

It is an amenable number.

2271434234437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271434234437 is an equidigital number, since it uses as much as digits as its factorization.

2271434234437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 46.

The spelling of 2271434234437 in words is "two trillion, two hundred seventy-one billion, four hundred thirty-four million, two hundred thirty-four thousand, four hundred thirty-seven".