12338349537 has 12 divisors (see below), whose sum is σ = 16542656880. Its totient is φ = 8180056080.

The previous prime is 12338349509. The next prime is 12338349553. The reversal of 12338349537 is 73594383321.

It is not a de Polignac number, because 12338349537 - 2¹⁸ = 12338087393 is a prime.

It is a super-2 number, since 2×12338349537² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12338349937) 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 in 11 ways as a sum of consecutive naturals, for example, 35514 + ... + 161052.

It is an arithmetic number, because the mean of its divisors is an integer number (1378554740).

Almost surely, 2^12338349537 is an apocalyptic number.

It is an amenable number.

12338349537 is a deficient number, since it is larger than the sum of its proper divisors (4204307343).

12338349537 is an equidigital number, since it uses as much as digits as its factorization.

12338349537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125904 (or 125723 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 48.

The spelling of 12338349537 in words is "twelve billion, three hundred thirty-eight million, three hundred forty-nine thousand, five hundred thirty-seven".