3655744745 has 8 divisors (see below), whose sum is σ = 4411402560. Its totient is φ = 2908256560.

The previous prime is 3655744733. The next prime is 3655744759. The reversal of 3655744745 is 5474475563.

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

It is not a de Polignac number, because 3655744745 - 2¹⁴ = 3655728361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3655744693 and 3655744702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2041421 + ... + 2043210.

It is an arithmetic number, because the mean of its divisors is an integer number (551425320).

Almost surely, 2^3655744745 is an apocalyptic number.

It is an amenable number.

3655744745 is a deficient number, since it is larger than the sum of its proper divisors (755657815).

3655744745 is a wasteful number, since it uses less digits than its factorization.

3655744745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084815.

The product of its digits is 7056000, while the sum is 50.

The square root of 3655744745 is about 60462.7550232372. The cubic root of 3655744745 is about 1540.4890706450.

The spelling of 3655744745 in words is "three billion, six hundred fifty-five million, seven hundred forty-four thousand, seven hundred forty-five".