3693590545 has 4 divisors (see below), whose sum is σ = 4432308660. Its totient is φ = 2954872432.

The previous prime is 3693590543. The next prime is 3693590581. The reversal of 3693590545 is 5450953963.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2754045441 + 939545104 = 52479^2 + 30652^2 .

It is a cyclic number.

It is not a de Polignac number, because 3693590545 - 2¹ = 3693590543 is a prime.

It is a super-2 number, since 2×3693590545² = 27285222228226794050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3693590543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369359050 + ... + 369359059.

It is an arithmetic number, because the mean of its divisors is an integer number (1108077165).

Almost surely, 2^3693590545 is an apocalyptic number.

It is an amenable number.

3693590545 is a deficient number, since it is larger than the sum of its proper divisors (738718115).

3693590545 is an equidigital number, since it uses as much as digits as its factorization.

3693590545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738718114.

The product of its (nonzero) digits is 2187000, while the sum is 49.

The square root of 3693590545 is about 60774.9170711076. The cubic root of 3693590545 is about 1545.7867604354.

The spelling of 3693590545 in words is "three billion, six hundred ninety-three million, five hundred ninety thousand, five hundred forty-five".