4221646273755 has 96 divisors (see below), whose sum is σ = 7796689992000. Its totient is φ = 2107047444480.

The previous prime is 4221646273693. The next prime is 4221646273763. The reversal of 4221646273755 is 5573726461224.

4221646273755 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 6 + 4 + 627 + 3 + 7 + 5 + 5 = 666.

It is not a de Polignac number, because 4221646273755 - 2²² = 4221642079451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 80710651 + ... + 80762939.

It is an arithmetic number, because the mean of its divisors is an integer number (81215520750).

Almost surely, 2^{4221646273755} is an apocalyptic number.

4221646273755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4221646273755 is a deficient number, since it is larger than the sum of its proper divisors (3575043718245).

4221646273755 is a wasteful number, since it uses less digits than its factorization.

4221646273755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53469 (or 53466 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 4221646273755 in words is "four trillion, two hundred twenty-one billion, six hundred forty-six million, two hundred seventy-three thousand, seven hundred fifty-five".