428571407619 has 8 divisors (see below), whose sum is σ = 634920603920. Its totient is φ = 285714271728.

The previous prime is 428571407599. The next prime is 428571407647. The reversal of 428571407619 is 916704175824.

428571407619 is a `hidden beast` number, since 4 + 2 + 8 + 5 + 7 + 14 + 0 + 7 + 619 = 666.

It is not a de Polignac number, because 428571407619 - 2¹⁹ = 428570883331 is a prime.

It is a super-2 number, since 2×428571407619² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428571407699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7936507522 + ... + 7936507575.

It is an arithmetic number, because the mean of its divisors is an integer number (79365075490).

Almost surely, 2^428571407619 is an apocalyptic number.

428571407619 is a deficient number, since it is larger than the sum of its proper divisors (206349196301).

428571407619 is a wasteful number, since it uses less digits than its factorization.

428571407619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15873015106 (or 15873015100 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 428571407619 in words is "four hundred twenty-eight billion, five hundred seventy-one million, four hundred seven thousand, six hundred nineteen".