20043416629 has 2 divisors, whose sum is σ = 20043416630. Its totient is φ = 20043416628.

The previous prime is 20043416611. The next prime is 20043416633. The reversal of 20043416629 is 92661434002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14889612529 + 5153804100 = 122023^2 + 71790^2 .

It is a cyclic number.

It is not a de Polignac number, because 20043416629 - 2⁹ = 20043416117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20043416639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10021708314 + 10021708315.

It is an arithmetic number, because the mean of its divisors is an integer number (10021708315).

Almost surely, 2^20043416629 is an apocalyptic number.

It is an amenable number.

20043416629 is a deficient number, since it is larger than the sum of its proper divisors (1).

20043416629 is an equidigital number, since it uses as much as digits as its factorization.

20043416629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 20043416629 in words is "twenty billion, forty-three million, four hundred sixteen thousand, six hundred twenty-nine".