42728601569 has 8 divisors (see below), whose sum is σ = 42796825632. Its totient is φ = 42660429280.

The previous prime is 42728601563. The next prime is 42728601589. The reversal of 42728601569 is 96510682724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42728601569 - 2²⁸ = 42460166113 is a prime.

It is a super-2 number, since 2×42728601569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42728601563) 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, 1846022 + ... + 1869024.

It is an arithmetic number, because the mean of its divisors is an integer number (5349603204).

Almost surely, 2^42728601569 is an apocalyptic number.

It is an amenable number.

42728601569 is a deficient number, since it is larger than the sum of its proper divisors (68224063).

42728601569 is a wasteful number, since it uses less digits than its factorization.

42728601569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25887.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 42728601569 in words is "forty-two billion, seven hundred twenty-eight million, six hundred one thousand, five hundred sixty-nine".