4642284240421 has 16 divisors (see below), whose sum is σ = 4794746943168. Its totient is φ = 4491281692800.

The previous prime is 4642284240413. The next prime is 4642284240427. The reversal of 4642284240421 is 1240424822464.

It is a cyclic number.

It is not a de Polignac number, because 4642284240421 - 2³ = 4642284240413 is a prime.

It is a super-2 number, since 2×4642284240421² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642284240427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8244921 + ... + 8789953.

It is an arithmetic number, because the mean of its divisors is an integer number (299671683948).

Almost surely, 2^{4642284240421} is an apocalyptic number.

It is an amenable number.

4642284240421 is a deficient number, since it is larger than the sum of its proper divisors (152462702747).

4642284240421 is a wasteful number, since it uses less digits than its factorization.

4642284240421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546372.

The product of its (nonzero) digits is 786432, while the sum is 43.

The spelling of 4642284240421 in words is "four trillion, six hundred forty-two billion, two hundred eighty-four million, two hundred forty thousand, four hundred twenty-one".