428100458919 has 16 divisors (see below), whose sum is σ = 686677428480. Its totient is φ = 231753631680.

The previous prime is 428100458899. The next prime is 428100458923. The reversal of 428100458919 is 919854001824.

It is not a de Polignac number, because 428100458919 - 2⁸ = 428100458663 is a prime.

It is a super-2 number, since 2×428100458919² (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 (428100458999) 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, 536466342 + ... + 536467139.

It is an arithmetic number, because the mean of its divisors is an integer number (42917339280).

Almost surely, 2^428100458919 is an apocalyptic number.

428100458919 is a deficient number, since it is larger than the sum of its proper divisors (258576969561).

428100458919 is a wasteful number, since it uses less digits than its factorization.

428100458919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072933510.

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 428100458919 in words is "four hundred twenty-eight billion, one hundred million, four hundred fifty-eight thousand, nine hundred nineteen".