32638939139 has 2 divisors, whose sum is σ = 32638939140. Its totient is φ = 32638939138.

The previous prime is 32638939087. The next prime is 32638939213. The reversal of 32638939139 is 93193983623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32638939139 - 2⁸ = 32638938883 is a prime.

It is a super-2 number, since 2×32638939139² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32638959139) 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 as a sum of consecutive naturals, namely, 16319469569 + 16319469570.

It is an arithmetic number, because the mean of its divisors is an integer number (16319469570).

Almost surely, 2^32638939139 is an apocalyptic number.

32638939139 is a deficient number, since it is larger than the sum of its proper divisors (1).

32638939139 is an equidigital number, since it uses as much as digits as its factorization.

32638939139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5668704, while the sum is 56.

The spelling of 32638939139 in words is "thirty-two billion, six hundred thirty-eight million, nine hundred thirty-nine thousand, one hundred thirty-nine".