3240534123439 has 2 divisors, whose sum is σ = 3240534123440. Its totient is φ = 3240534123438.

The previous prime is 3240534123383. The next prime is 3240534123503. The reversal of 3240534123439 is 9343214350423.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3240534123439 - 2¹⁵ = 3240534090671 is a prime.

It is a super-2 number, since 2×3240534123439² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3240534123395 and 3240534123404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3240534126439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620267061719 + 1620267061720.

It is an arithmetic number, because the mean of its divisors is an integer number (1620267061720).

Almost surely, 2^{3240534123439} is an apocalyptic number.

3240534123439 is a deficient number, since it is larger than the sum of its proper divisors (1).

3240534123439 is an equidigital number, since it uses as much as digits as its factorization.

3240534123439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 3240534123439 in words is "three trillion, two hundred forty billion, five hundred thirty-four million, one hundred twenty-three thousand, four hundred thirty-nine".