39475329982865 has 16 divisors (see below), whose sum is σ = 54945619220352. Its totient is φ = 26664785794944.

The previous prime is 39475329982831. The next prime is 39475329982871. The reversal of 39475329982865 is 56828992357493.

It is a cyclic number.

It is not a de Polignac number, because 39475329982865 - 2²⁸ = 39475061547409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39475329982865.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 8416912364 + ... + 8416917053.

It is an arithmetic number, because the mean of its divisors is an integer number (3434101201272).

Almost surely, 2^{39475329982865} is an apocalyptic number.

39475329982865 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39475329982865 is a deficient number, since it is larger than the sum of its proper divisors (15470289237487).

39475329982865 is a wasteful number, since it uses less digits than its factorization.

39475329982865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833829496.

The product of its digits is 7054387200, while the sum is 80.

The spelling of 39475329982865 in words is "thirty-nine trillion, four hundred seventy-five billion, three hundred twenty-nine million, nine hundred eighty-two thousand, eight hundred sixty-five".