428010452421 has 16 divisors (see below), whose sum is σ = 573513027648. Its totient is φ = 283926009600.

The previous prime is 428010452417. The next prime is 428010452453. The reversal of 428010452421 is 124254010824.

It is not a de Polignac number, because 428010452421 - 2² = 428010452417 is a prime.

It is a super-2 number, since 2×428010452421² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428010452321) 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, 655066 + ... + 1133636.

It is an arithmetic number, because the mean of its divisors is an integer number (35844564228).

Almost surely, 2^428010452421 is an apocalyptic number.

It is an amenable number.

428010452421 is a deficient number, since it is larger than the sum of its proper divisors (145502575227).

428010452421 is a wasteful number, since it uses less digits than its factorization.

428010452421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480052.

The product of its (nonzero) digits is 20480, while the sum is 33.

The spelling of 428010452421 in words is "four hundred twenty-eight billion, ten million, four hundred fifty-two thousand, four hundred twenty-one".