39429347999 has 2 divisors, whose sum is σ = 39429348000. Its totient is φ = 39429347998.

The previous prime is 39429347963. The next prime is 39429348031. The reversal of 39429347999 is 99974392493.

39429347999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39429347999 - 2⁸ = 39429347743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39429347929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19714673999 + 19714674000.

It is an arithmetic number, because the mean of its divisors is an integer number (19714674000).

Almost surely, 2^39429347999 is an apocalyptic number.

39429347999 is a deficient number, since it is larger than the sum of its proper divisors (1).

39429347999 is an equidigital number, since it uses as much as digits as its factorization.

39429347999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 119042784, while the sum is 68.

The spelling of 39429347999 in words is "thirty-nine billion, four hundred twenty-nine million, three hundred forty-seven thousand, nine hundred ninety-nine".