5381126433749 has 32 divisors (see below), whose sum is σ = 6054693055488. Its totient is φ = 4739937840000.

The previous prime is 5381126433733. The next prime is 5381126433763. The reversal of 5381126433749 is 9473346211835.

It is a happy number.

It is not a de Polignac number, because 5381126433749 - 2⁴ = 5381126433733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5381126433694 and 5381126433703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381126433649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 542283302 + ... + 542293224.

It is an arithmetic number, because the mean of its divisors is an integer number (189209157984).

Almost surely, 2^{5381126433749} is an apocalyptic number.

It is an amenable number.

5381126433749 is a deficient number, since it is larger than the sum of its proper divisors (673566621739).

5381126433749 is a wasteful number, since it uses less digits than its factorization.

5381126433749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18089.

The product of its digits is 13063680, while the sum is 56.

The spelling of 5381126433749 in words is "five trillion, three hundred eighty-one billion, one hundred twenty-six million, four hundred thirty-three thousand, seven hundred forty-nine".