4221365771745 has 32 divisors (see below), whose sum is σ = 7521364512000. Its totient is φ = 2246380803072.

The previous prime is 4221365771713. The next prime is 4221365771809. The reversal of 4221365771745 is 5471775631224.

4221365771745 is a `hidden beast` number, since 4 + 2 + 2 + 13 + 6 + 577 + 17 + 45 = 666.

It is not a de Polignac number, because 4221365771745 - 2⁵ = 4221365771713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4221365771691 and 4221365771700.

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, 34760517 + ... + 34881746.

It is an arithmetic number, because the mean of its divisors is an integer number (235042641000).

Almost surely, 2^{4221365771745} is an apocalyptic number.

4221365771745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4221365771745 is a deficient number, since it is larger than the sum of its proper divisors (3299998740255).

4221365771745 is a wasteful number, since it uses less digits than its factorization.

4221365771745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69642726 (or 69642720 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 54.

The spelling of 4221365771745 in words is "four trillion, two hundred twenty-one billion, three hundred sixty-five million, seven hundred seventy-one thousand, seven hundred forty-five".