3450205645545 has 16 divisors (see below), whose sum is σ = 5520352735872. Its totient is φ = 1840101776640.

The previous prime is 3450205645529. The next prime is 3450205645559. The reversal of 3450205645545 is 5455465020543.

It is not a de Polignac number, because 3450205645545 - 2⁴ = 3450205645529 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3450205645494 and 3450205645503.

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 15 ways as a sum of consecutive naturals, for example, 5337025 + ... + 5948465.

It is an arithmetic number, because the mean of its divisors is an integer number (345022045992).

Almost surely, 2^{3450205645545} is an apocalyptic number.

It is an amenable number.

3450205645545 is a deficient number, since it is larger than the sum of its proper divisors (2070147090327).

3450205645545 is a wasteful number, since it uses less digits than its factorization.

3450205645545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987632.

The product of its (nonzero) digits is 7200000, while the sum is 48.

The spelling of 3450205645545 in words is "three trillion, four hundred fifty billion, two hundred five million, six hundred forty-five thousand, five hundred forty-five".