12434937939437 has 4 divisors (see below), whose sum is σ = 13391471627100. Its totient is φ = 11478404251776.

The previous prime is 12434937939419. The next prime is 12434937939563. The reversal of 12434937939437 is 73493973943421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 535515140521 + 11899422798916 = 731789^2 + 3449554^2 .

It is a cyclic number.

It is not a de Polignac number, because 12434937939437 - 2³² = 12430642972141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434937939037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478266843812 + ... + 478266843837.

It is an arithmetic number, because the mean of its divisors is an integer number (3347867906775).

Almost surely, 2^{12434937939437} is an apocalyptic number.

It is an amenable number.

12434937939437 is a deficient number, since it is larger than the sum of its proper divisors (956533687663).

12434937939437 is an equidigital number, since it uses as much as digits as its factorization.

12434937939437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956533687662.

The product of its digits is 370355328, while the sum is 68.

The spelling of 12434937939437 in words is "twelve trillion, four hundred thirty-four billion, nine hundred thirty-seven million, nine hundred thirty-nine thousand, four hundred thirty-seven".