340221134414437 has 2 divisors, whose sum is σ = 340221134414438. Its totient is φ = 340221134414436.

The previous prime is 340221134414389. The next prime is 340221134414471. The reversal of 340221134414437 is 734414431122043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 340153618108516 + 67516305921 = 18443254^2 + 259839^2 .

It is a cyclic number.

It is not a de Polignac number, because 340221134414437 - 2¹¹ = 340221134412389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340221134414393 and 340221134414402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340221834414437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170110567207218 + 170110567207219.

It is an arithmetic number, because the mean of its divisors is an integer number (170110567207219).

Almost surely, 2^{340221134414437} is an apocalyptic number.

It is an amenable number.

340221134414437 is a deficient number, since it is larger than the sum of its proper divisors (1).

340221134414437 is an equidigital number, since it uses as much as digits as its factorization.

340221134414437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 43.

The spelling of 340221134414437 in words is "three hundred forty trillion, two hundred twenty-one billion, one hundred thirty-four million, four hundred fourteen thousand, four hundred thirty-seven".