4245220644335 has 48 divisors (see below), whose sum is σ = 5749016908320. Its totient is φ = 3005322777600.

The previous prime is 4245220644311. The next prime is 4245220644389. The reversal of 4245220644335 is 5334460225424.

It is not a de Polignac number, because 4245220644335 - 2⁶ = 4245220644271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10795451 + ... + 11181779.

It is an arithmetic number, because the mean of its divisors is an integer number (119771185590).

Almost surely, 2^{4245220644335} is an apocalyptic number.

4245220644335 is a deficient number, since it is larger than the sum of its proper divisors (1503796263985).

4245220644335 is a wasteful number, since it uses less digits than its factorization.

4245220644335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386840 (or 386829 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 4245220644335 its reverse (5334460225424), we get a palindrome (9579680869759).

The spelling of 4245220644335 in words is "four trillion, two hundred forty-five billion, two hundred twenty million, six hundred forty-four thousand, three hundred thirty-five".