3581048605 has 4 divisors (see below), whose sum is σ = 4297258332. Its totient is φ = 2864838880.

The previous prime is 3581048599. The next prime is 3581048621. The reversal of 3581048605 is 5068401853.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5068401853 = 6763 ⋅749431.

It can be written as a sum of positive squares in 2 ways, for example, as 590927481 + 2990121124 = 24309^2 + 54682^2 .

It is not a de Polignac number, because 3581048605 - 2⁷ = 3581048477 is a prime.

It is a super-2 number, since 2×3581048605² = 25647818222744892050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358104856 + ... + 358104865.

It is an arithmetic number, because the mean of its divisors is an integer number (1074314583).

Almost surely, 2^3581048605 is an apocalyptic number.

It is an amenable number.

3581048605 is a deficient number, since it is larger than the sum of its proper divisors (716209727).

3581048605 is an equidigital number, since it uses as much as digits as its factorization.

3581048605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716209726.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 3581048605 is about 59841.8633149069. The cubic root of 3581048605 is about 1529.9247552954.

The spelling of 3581048605 in words is "three billion, five hundred eighty-one million, forty-eight thousand, six hundred five".