1643415205013 has 8 divisors (see below), whose sum is σ = 1645122830400. Its totient is φ = 1641707767648.

The previous prime is 1643415205007. The next prime is 1643415205043. The reversal of 1643415205013 is 3105025143461.

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 1643415205013 - 2¹⁶ = 1643415139477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1643415205043) 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, 23466233 + ... + 23536161.

It is an arithmetic number, because the mean of its divisors is an integer number (205640353800).

Almost surely, 2^{1643415205013} is an apocalyptic number.

It is an amenable number.

1643415205013 is a deficient number, since it is larger than the sum of its proper divisors (1707625387).

1643415205013 is a wasteful number, since it uses less digits than its factorization.

1643415205013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94011.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1643415205013 in words is "one trillion, six hundred forty-three billion, four hundred fifteen million, two hundred five thousand, thirteen".