4243205422515 has 32 divisors (see below), whose sum is σ = 7153026232320. Its totient is φ = 2141962873344.

The previous prime is 4243205422487. The next prime is 4243205422523. The reversal of 4243205422515 is 5152245023424.

4243205422515 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4243205422515 - 2⁵ = 4243205422483 is a prime.

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, 6538614 + ... + 7158203.

It is an arithmetic number, because the mean of its divisors is an integer number (223532069760).

Almost surely, 2^{4243205422515} is an apocalyptic number.

4243205422515 is a deficient number, since it is larger than the sum of its proper divisors (2909820809805).

4243205422515 is a wasteful number, since it uses less digits than its factorization.

4243205422515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13697931.

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 4243205422515 in words is "four trillion, two hundred forty-three billion, two hundred five million, four hundred twenty-two thousand, five hundred fifteen".