428267132841599 has 4 divisors (see below), whose sum is σ = 428343296306736. Its totient is φ = 428190969376464.

The previous prime is 428267132841539. The next prime is 428267132841731. The reversal of 428267132841599 is 995148231762824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-428267132841599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428267132841529) 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, 38081724134 + ... + 38081735379.

It is an arithmetic number, because the mean of its divisors is an integer number (107085824076684).

Almost surely, 2^{428267132841599} is an apocalyptic number.

428267132841599 is a deficient number, since it is larger than the sum of its proper divisors (76163465137).

428267132841599 is an equidigital number, since it uses as much as digits as its factorization.

428267132841599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76163465136.

The product of its digits is 418037760, while the sum is 71.

The spelling of 428267132841599 in words is "four hundred twenty-eight trillion, two hundred sixty-seven billion, one hundred thirty-two million, eight hundred forty-one thousand, five hundred ninety-nine".