3590365721 has 8 divisors (see below), whose sum is σ = 3603997800. Its totient is φ = 3576748032.

The previous prime is 3590365687. The next prime is 3590365733. The reversal of 3590365721 is 1275630953.

It is a happy number.

3590365721 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 78499600 + 3511866121 = 8860^2 + 59261^2 .

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 3590365721 - 2²² = 3586171417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3590365621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884705 + ... + 888753.

It is an arithmetic number, because the mean of its divisors is an integer number (450499725).

Almost surely, 2^3590365721 is an apocalyptic number.

It is an amenable number.

3590365721 is a deficient number, since it is larger than the sum of its proper divisors (13632079).

3590365721 is a wasteful number, since it uses less digits than its factorization.

3590365721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 3590365721 is about 59919.6605547795. The cubic root of 3590365721 is about 1531.2504509653.

The spelling of 3590365721 in words is "three billion, five hundred ninety million, three hundred sixty-five thousand, seven hundred twenty-one".