3521654365 has 8 divisors (see below), whose sum is σ = 4267827288. Its totient is φ = 2789428800.

The previous prime is 3521654347. The next prime is 3521654401. The reversal of 3521654365 is 5634561253.

It can be written as a sum of positive squares in 4 ways, for example, as 1483944484 + 2037709881 = 38522^2 + 45141^2 .

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

It is not a de Polignac number, because 3521654365 - 2⁵ = 3521654333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3486282 + ... + 3487291.

It is an arithmetic number, because the mean of its divisors is an integer number (533478411).

Almost surely, 2^3521654365 is an apocalyptic number.

It is an amenable number.

3521654365 is a deficient number, since it is larger than the sum of its proper divisors (746172923).

3521654365 is a wasteful number, since it uses less digits than its factorization.

3521654365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973679.

The product of its digits is 324000, while the sum is 40.

The square root of 3521654365 is about 59343.5284171745. The cubic root of 3521654365 is about 1521.4192602918.

The spelling of 3521654365 in words is "three billion, five hundred twenty-one million, six hundred fifty-four thousand, three hundred sixty-five".