39489270329 has 2 divisors, whose sum is σ = 39489270330. Its totient is φ = 39489270328.

The previous prime is 39489270311. The next prime is 39489270341. The reversal of 39489270329 is 92307298493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33179351104 + 6309919225 = 182152^2 + 79435^2 .

It is a cyclic number.

It is not a de Polignac number, because 39489270329 - 2¹² = 39489266233 is a prime.

It is a super-2 number, since 2×39489270329² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39489270529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19744635164 + 19744635165.

It is an arithmetic number, because the mean of its divisors is an integer number (19744635165).

Almost surely, 2^39489270329 is an apocalyptic number.

It is an amenable number.

39489270329 is a deficient number, since it is larger than the sum of its proper divisors (1).

39489270329 is an equidigital number, since it uses as much as digits as its factorization.

39489270329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 39489270329 in words is "thirty-nine billion, four hundred eighty-nine million, two hundred seventy thousand, three hundred twenty-nine".