39465448719065 has 8 divisors (see below), whose sum is σ = 48134907946248. Its totient is φ = 31054779319680.

The previous prime is 39465448719061. The next prime is 39465448719091. The reversal of 39465448719065 is 56091784456493.

It can be written as a sum of positive squares in 4 ways, for example, as 16233817744 + 39449214901321 = 127412^2 + 6280861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39465448719065 - 2² = 39465448719061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39465448719065.

It is not an unprimeable number, because it can be changed into a prime (39465448719061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64697456612 + ... + 64697457221.

It is an arithmetic number, because the mean of its divisors is an integer number (6016863493281).

Almost surely, 2^{39465448719065} is an apocalyptic number.

It is an amenable number.

39465448719065 is a deficient number, since it is larger than the sum of its proper divisors (8669459227183).

39465448719065 is a wasteful number, since it uses less digits than its factorization.

39465448719065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129394913899.

The product of its (nonzero) digits is 783820800, while the sum is 71.

The spelling of 39465448719065 in words is "thirty-nine trillion, four hundred sixty-five billion, four hundred forty-eight million, seven hundred nineteen thousand, sixty-five".