3867533518465 has 8 divisors (see below), whose sum is σ = 4683618573480. Its totient is φ = 3065641247232.

The previous prime is 3867533518423. The next prime is 3867533518469. The reversal of 3867533518465 is 5648153357683.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 66566064016 + 3800967454449 = 258004^2 + 1949607^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3867533518465 - 2¹⁹ = 3867532994177 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3867533518397 and 3867533518406.

It is not an unprimeable number, because it can be changed into a prime (3867533518469) 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, 3548195344 + ... + 3548196433.

It is an arithmetic number, because the mean of its divisors is an integer number (585452321685).

Almost surely, 2^{3867533518465} is an apocalyptic number.

It is an amenable number.

3867533518465 is a deficient number, since it is larger than the sum of its proper divisors (816085055015).

3867533518465 is a wasteful number, since it uses less digits than its factorization.

3867533518465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7096391891.

The product of its digits is 217728000, while the sum is 64.

The spelling of 3867533518465 in words is "three trillion, eight hundred sixty-seven billion, five hundred thirty-three million, five hundred eighteen thousand, four hundred sixty-five".