100450044124013 has 4 divisors (see below), whose sum is σ = 100748115471900. Its totient is φ = 100151972776128.

The previous prime is 100450044123977. The next prime is 100450044124051. The reversal of 100450044124013 is 310421440054001.

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 7906067403529 + 92543976720484 = 2811773^2 + 9619978^2 .

It is a cyclic number.

It is not a de Polignac number, because 100450044124013 - 2²² = 100450039929709 is a prime.

It is a super-2 number, since 2×100450044124013² (a number of 29 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 (100450044124063) 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, 149035673438 + ... + 149035674111.

It is an arithmetic number, because the mean of its divisors is an integer number (25187028867975).

Almost surely, 2^{100450044124013} is an apocalyptic number.

It is an amenable number.

100450044124013 is a deficient number, since it is larger than the sum of its proper divisors (298071347887).

100450044124013 is an equidigital number, since it uses as much as digits as its factorization.

100450044124013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298071347886.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 100450044124013 its reverse (310421440054001), we get a palindrome (410871484178014).

The spelling of 100450044124013 in words is "one hundred trillion, four hundred fifty billion, forty-four million, one hundred twenty-four thousand, thirteen".