39429347998 has 32 divisors (see below), whose sum is σ = 64658109600. Its totient is φ = 17968034304.

The previous prime is 39429347963. The next prime is 39429347999. The reversal of 39429347998 is 89974392493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39429347999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32415 + ... + 282682.

It is an arithmetic number, because the mean of its divisors is an integer number (2020565925).

Almost surely, 2^39429347998 is an apocalyptic number.

39429347998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

39429347998 is a deficient number, since it is larger than the sum of its proper divisors (25228761602).

39429347998 is a wasteful number, since it uses less digits than its factorization.

39429347998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315244.

The product of its digits is 105815808, while the sum is 67.

The spelling of 39429347998 in words is "thirty-nine billion, four hundred twenty-nine million, three hundred forty-seven thousand, nine hundred ninety-eight".