3646033505345 has 32 divisors (see below), whose sum is σ = 5455273328640. Its totient is φ = 2272673557440.

The previous prime is 3646033505299. The next prime is 3646033505417. The reversal of 3646033505345 is 5435053306463.

It is not a de Polignac number, because 3646033505345 - 2²⁴ = 3646016728129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3646033505345.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4623824 + ... + 5354606.

It is an arithmetic number, because the mean of its divisors is an integer number (170477291520).

Almost surely, 2^{3646033505345} is an apocalyptic number.

3646033505345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3646033505345 is a deficient number, since it is larger than the sum of its proper divisors (1809239823295).

3646033505345 is a wasteful number, since it uses less digits than its factorization.

3646033505345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743765.

The product of its (nonzero) digits is 5832000, while the sum is 47.

The spelling of 3646033505345 in words is "three trillion, six hundred forty-six billion, thirty-three million, five hundred five thousand, three hundred forty-five".