3629859745 has 4 divisors (see below), whose sum is σ = 4355831700. Its totient is φ = 2903887792.

The previous prime is 3629859721. The next prime is 3629859787. The reversal of 3629859745 is 5479589263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5479589263 = 257 ⋅21321359.

It can be written as a sum of positive squares in 2 ways, for example, as 679957776 + 2949901969 = 26076^2 + 54313^2 .

It is a cyclic number.

It is not a de Polignac number, because 3629859745 - 2⁵ = 3629859713 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3629859745.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362985970 + ... + 362985979.

It is an arithmetic number, because the mean of its divisors is an integer number (1088957925).

Almost surely, 2^3629859745 is an apocalyptic number.

It is an amenable number.

3629859745 is a deficient number, since it is larger than the sum of its proper divisors (725971955).

3629859745 is an equidigital number, since it uses as much as digits as its factorization.

3629859745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725971954.

The product of its digits is 16329600, while the sum is 58.

The square root of 3629859745 is about 60248.3173623961. The cubic root of 3629859745 is about 1536.8445741845.

The spelling of 3629859745 in words is "three billion, six hundred twenty-nine million, eight hundred fifty-nine thousand, seven hundred forty-five".