428575357929 has 4 divisors (see below), whose sum is σ = 571433810576. Its totient is φ = 285716905284.

The previous prime is 428575357921. The next prime is 428575357933. The reversal of 428575357929 is 929753575824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 428575357929 - 2³ = 428575357921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 428575357929.

It is not an unprimeable number, because it can be changed into a prime (428575357921) 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, 71429226319 + ... + 71429226324.

It is an arithmetic number, because the mean of its divisors is an integer number (142858452644).

Almost surely, 2^428575357929 is an apocalyptic number.

It is an amenable number.

428575357929 is a deficient number, since it is larger than the sum of its proper divisors (142858452647).

428575357929 is a wasteful number, since it uses less digits than its factorization.

428575357929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142858452646.

The product of its digits is 190512000, while the sum is 66.

The spelling of 428575357929 in words is "four hundred twenty-eight billion, five hundred seventy-five million, three hundred fifty-seven thousand, nine hundred twenty-nine".