12941435381 has 4 divisors (see below), whose sum is σ = 14790211872. Its totient is φ = 11092658892.

The previous prime is 12941435357. The next prime is 12941435389. The reversal of 12941435381 is 18353414921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18353414921 = 26903 ⋅682207.

It is a de Polignac number, because none of the positive numbers 2^k-12941435381 is a prime.

It is a super-2 number, since 2×12941435381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12941435389) 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, 924388235 + ... + 924388248.

It is an arithmetic number, because the mean of its divisors is an integer number (3697552968).

Almost surely, 2^12941435381 is an apocalyptic number.

It is an amenable number.

12941435381 is a deficient number, since it is larger than the sum of its proper divisors (1848776491).

12941435381 is an equidigital number, since it uses as much as digits as its factorization.

12941435381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848776490.

The product of its digits is 103680, while the sum is 41.

The spelling of 12941435381 in words is "twelve billion, nine hundred forty-one million, four hundred thirty-five thousand, three hundred eighty-one".