3654871250065 has 24 divisors (see below), whose sum is σ = 5323723738560. Its totient is φ = 2397232319328.

The previous prime is 3654871250053. The next prime is 3654871250077. The reversal of 3654871250065 is 5600521784563.

It is an interprime number because it is at equal distance from previous prime (3654871250053) and next prime (3654871250077).

It is not a de Polignac number, because 3654871250065 - 2⁹ = 3654871249553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3654871249994 and 3654871250021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324295275 + ... + 324306544.

It is an arithmetic number, because the mean of its divisors is an integer number (221821822440).

Almost surely, 2^{3654871250065} is an apocalyptic number.

3654871250065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3654871250065 is a deficient number, since it is larger than the sum of its proper divisors (1668852488495).

3654871250065 is a wasteful number, since it uses less digits than its factorization.

3654871250065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648601861 (or 648601854 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 3654871250065 in words is "three trillion, six hundred fifty-four billion, eight hundred seventy-one million, two hundred fifty thousand, sixty-five".