39363866527969 has 9 divisors (see below), whose sum is σ = 40768235699347. Its totient is φ = 38006316146344.

The previous prime is 39363866527967. The next prime is 39363866527981. The reversal of 39363866527969 is 96972566836393.

It is a happy number.

The square root of 39363866527969 is 6274063.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20641456764369 + 18722409763600 = 4543287^2 + 4326940^2 .

It is not a de Polignac number, because 39363866527969 - 2¹ = 39363866527967 is a prime.

It is a super-2 number, since 2×39363866527969² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39363866527892 and 39363866527901.

It is not an unprimeable number, because it can be changed into a prime (39363866527967) 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 in 8 ways as a sum of consecutive naturals, for example, 181839654 + ... + 182056000.

Almost surely, 2^{39363866527969} is an apocalyptic number.

39363866527969 is the 6274063-rd square number.

39363866527969 is the 3137032-nd centered octagonal number.

It is an amenable number.

39363866527969 is a deficient number, since it is larger than the sum of its proper divisors (1404369171378).

39363866527969 is an frugal number, since it uses more digits than its factorization.

39363866527969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432752 (or 216376 counting only the distinct ones).

The product of its digits is 14285134080, while the sum is 82.

The spelling of 39363866527969 in words is "thirty-nine trillion, three hundred sixty-three billion, eight hundred sixty-six million, five hundred twenty-seven thousand, nine hundred sixty-nine".