3604491091 has 2 divisors, whose sum is σ = 3604491092. Its totient is φ = 3604491090.

The previous prime is 3604491067. The next prime is 3604491101. The reversal of 3604491091 is 1901944063.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3604491091 - 2⁷ = 3604490963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3604491091.

It is not a weakly prime, because it can be changed into another prime (3604491001) by changing a digit.

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 as a sum of consecutive naturals, namely, 1802245545 + 1802245546.

It is an arithmetic number, because the mean of its divisors is an integer number (1802245546).

Almost surely, 2^3604491091 is an apocalyptic number.

3604491091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3604491091 is an equidigital number, since it uses as much as digits as its factorization.

3604491091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 3604491091 is about 60037.4140932136. The cubic root of 3604491091 is about 1533.2559268685.

The spelling of 3604491091 in words is "three billion, six hundred four million, four hundred ninety-one thousand, ninety-one".