428758372219 has 2 divisors, whose sum is σ = 428758372220. Its totient is φ = 428758372218.

The previous prime is 428758372213. The next prime is 428758372271. The reversal of 428758372219 is 912273857824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428758372219 - 2²³ = 428749983611 is a prime.

It is a super-2 number, since 2×428758372219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (428758372213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214379186109 + 214379186110.

It is an arithmetic number, because the mean of its divisors is an integer number (214379186110).

Almost surely, 2^428758372219 is an apocalyptic number.

428758372219 is a deficient number, since it is larger than the sum of its proper divisors (1).

428758372219 is an equidigital number, since it uses as much as digits as its factorization.

428758372219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 58.

The spelling of 428758372219 in words is "four hundred twenty-eight billion, seven hundred fifty-eight million, three hundred seventy-two thousand, two hundred nineteen".