3669950645 has 8 divisors (see below), whose sum is σ = 4447544760. Its totient is φ = 2906891200.

The previous prime is 3669950629. The next prime is 3669950653. The reversal of 3669950645 is 5460599663.

It can be written as a sum of positive squares in 4 ways, for example, as 271293841 + 3398656804 = 16471^2 + 58298^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3669950645 - 2⁴ = 3669950629 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3633110 + ... + 3634119.

It is an arithmetic number, because the mean of its divisors is an integer number (555943095).

Almost surely, 2^3669950645 is an apocalyptic number.

It is an amenable number.

3669950645 is a deficient number, since it is larger than the sum of its proper divisors (777594115).

3669950645 is a wasteful number, since it uses less digits than its factorization.

3669950645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7267335.

The product of its (nonzero) digits is 5248800, while the sum is 53.

The square root of 3669950645 is about 60580.1175716918. The cubic root of 3669950645 is about 1542.4818928813.

The spelling of 3669950645 in words is "three billion, six hundred sixty-nine million, nine hundred fifty thousand, six hundred forty-five".