3604491361 has 2 divisors, whose sum is σ = 3604491362. Its totient is φ = 3604491360.

The previous prime is 3604491347. The next prime is 3604491439. The reversal of 3604491361 is 1631944063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3518743761 + 85747600 = 59319^2 + 9260^2 .

It is a cyclic number.

It is not a de Polignac number, because 3604491361 - 2⁹ = 3604490849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3604491361.

It is not a weakly prime, because it can be changed into another prime (3604491061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1802245680 + 1802245681.

It is an arithmetic number, because the mean of its divisors is an integer number (1802245681).

Almost surely, 2^3604491361 is an apocalyptic number.

It is an amenable number.

3604491361 is a deficient number, since it is larger than the sum of its proper divisors (1).

3604491361 is an equidigital number, since it uses as much as digits as its factorization.

3604491361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 3604491361 is about 60037.4163418114. The cubic root of 3604491361 is about 1533.2559651521.

The spelling of 3604491361 in words is "three billion, six hundred four million, four hundred ninety-one thousand, three hundred sixty-one".