109431052429 has 2 divisors, whose sum is σ = 109431052430. Its totient is φ = 109431052428.

The previous prime is 109431052417. The next prime is 109431052441. The reversal of 109431052429 is 924250134901.

It is a balanced prime because it is at equal distance from previous prime (109431052417) and next prime (109431052441).

It can be written as a sum of positive squares in only one way, i.e., 104901493225 + 4529559204 = 323885^2 + 67302^2 .

It is an emirp because it is prime and its reverse (924250134901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109431052429 - 2⁷ = 109431052301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109431052391 and 109431052400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109431052469) 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 as a sum of consecutive naturals, namely, 54715526214 + 54715526215.

It is an arithmetic number, because the mean of its divisors is an integer number (54715526215).

Almost surely, 2^109431052429 is an apocalyptic number.

It is an amenable number.

109431052429 is a deficient number, since it is larger than the sum of its proper divisors (1).

109431052429 is an equidigital number, since it uses as much as digits as its factorization.

109431052429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 109431052429 in words is "one hundred nine billion, four hundred thirty-one million, fifty-two thousand, four hundred twenty-nine".