103444129939 has 2 divisors, whose sum is σ = 103444129940. Its totient is φ = 103444129938.

The previous prime is 103444129937. The next prime is 103444130087. The reversal of 103444129939 is 939921444301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103444129939 - 2¹ = 103444129937 is a prime.

It is a super-2 number, since 2×103444129939² (a number of 23 digits) contains 22 as substring.

Together with 103444129937, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103444129892 and 103444129901.

It is not a weakly prime, because it can be changed into another prime (103444129937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51722064969 + 51722064970.

It is an arithmetic number, because the mean of its divisors is an integer number (51722064970).

Almost surely, 2^103444129939 is an apocalyptic number.

103444129939 is a deficient number, since it is larger than the sum of its proper divisors (1).

103444129939 is an equidigital number, since it uses as much as digits as its factorization.

103444129939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 103444129939 in words is "one hundred three billion, four hundred forty-four million, one hundred twenty-nine thousand, nine hundred thirty-nine".