3613729345 has 8 divisors (see below), whose sum is σ = 4336798464. Its totient is φ = 2890767984.

The previous prime is 3613729319. The next prime is 3613729349. The reversal of 3613729345 is 5439273163.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3613729345 - 2¹¹ = 3613727297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3613729349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111922 + ... + 140548.

It is an arithmetic number, because the mean of its divisors is an integer number (542099808).

Almost surely, 2^3613729345 is an apocalyptic number.

It is an amenable number.

3613729345 is a deficient number, since it is larger than the sum of its proper divisors (723069119).

3613729345 is a wasteful number, since it uses less digits than its factorization.

3613729345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53879.

The product of its digits is 408240, while the sum is 43.

The square root of 3613729345 is about 60114.3023331387. The cubic root of 3613729345 is about 1534.5647129838.

The spelling of 3613729345 in words is "three billion, six hundred thirteen million, seven hundred twenty-nine thousand, three hundred forty-five".