3679345729 has 4 divisors (see below), whose sum is σ = 3679696084. Its totient is φ = 3678995376.

The previous prime is 3679345727. The next prime is 3679345757. The reversal of 3679345729 is 9275439763.

3679345729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9275439763 = 293 ⋅31656791.

It can be written as a sum of positive squares in 2 ways, for example, as 744198400 + 2935147329 = 27280^2 + 54177^2 .

It is a cyclic number.

It is not a de Polignac number, because 3679345729 - 2¹ = 3679345727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3679345729.

It is not an unprimeable number, because it can be changed into a prime (3679345727) 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, 158922 + ... + 180595.

It is an arithmetic number, because the mean of its divisors is an integer number (919924021).

Almost surely, 2^3679345729 is an apocalyptic number.

It is an amenable number.

3679345729 is a deficient number, since it is larger than the sum of its proper divisors (350355).

3679345729 is a wasteful number, since it uses less digits than its factorization.

3679345729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350354.

The product of its digits is 8573040, while the sum is 55.

The square root of 3679345729 is about 60657.6106436777. The cubic root of 3679345729 is about 1543.7970239376.

The spelling of 3679345729 in words is "three billion, six hundred seventy-nine million, three hundred forty-five thousand, seven hundred twenty-nine".