39513380579 has 2 divisors, whose sum is σ = 39513380580. Its totient is φ = 39513380578.

The previous prime is 39513380509. The next prime is 39513380581. The reversal of 39513380579 is 97508331593.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39513380579 is a prime.

It is a super-2 number, since 2×39513380579² (a number of 22 digits) contains 22 as substring.

Together with 39513380581, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39513380579.

It is not a weakly prime, because it can be changed into another prime (39513380509) 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, 19756690289 + 19756690290.

It is an arithmetic number, because the mean of its divisors is an integer number (19756690290).

Almost surely, 2^39513380579 is an apocalyptic number.

39513380579 is a deficient number, since it is larger than the sum of its proper divisors (1).

39513380579 is an equidigital number, since it uses as much as digits as its factorization.

39513380579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 39513380579 in words is "thirty-nine billion, five hundred thirteen million, three hundred eighty thousand, five hundred seventy-nine".