4221420353756 has 12 divisors (see below), whose sum is σ = 7387544476368. Its totient is φ = 2110693360512.

The previous prime is 4221420353753. The next prime is 4221420353783. The reversal of 4221420353756 is 6573530241224.

4221420353756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221420353753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3630581 + ... + 4650156.

It is an arithmetic number, because the mean of its divisors is an integer number (615628706364).

Almost surely, 2^{4221420353756} is an apocalyptic number.

It is an amenable number.

4221420353756 is a deficient number, since it is larger than the sum of its proper divisors (3166124122612).

4221420353756 is a wasteful number, since it uses less digits than its factorization.

4221420353756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408188 (or 8408186 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 44.

The spelling of 4221420353756 in words is "four trillion, two hundred twenty-one billion, four hundred twenty million, three hundred fifty-three thousand, seven hundred fifty-six".