981746429 has 2 divisors, whose sum is σ = 981746430. Its totient is φ = 981746428.

The previous prime is 981746411. The next prime is 981746569. The reversal of 981746429 is 924647189.

981746429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 815388025 + 166358404 = 28555^2 + 12898^2 .

It is a cyclic number.

It is not a de Polignac number, because 981746429 - 2⁸ = 981746173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (981742429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490873214 + 490873215.

It is an arithmetic number, because the mean of its divisors is an integer number (490873215).

Almost surely, 2^981746429 is an apocalyptic number.

It is an amenable number.

981746429 is a deficient number, since it is larger than the sum of its proper divisors (1).

981746429 is an equidigital number, since it uses as much as digits as its factorization.

981746429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 981746429 is about 31332.8330828861. The cubic root of 981746429 is about 993.8780748448.

The spelling of 981746429 in words is "nine hundred eighty-one million, seven hundred forty-six thousand, four hundred twenty-nine".