28729559041 has 8 divisors (see below), whose sum is σ = 28952985600. Its totient is φ = 28506195120.

The previous prime is 28729558999. The next prime is 28729559059. The reversal of 28729559041 is 14095592782.

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 28729559041 - 2²³ = 28721170433 is a prime.

It is a super-4 number, since 4×28729559041⁴ (a number of 43 digits) contains 4444 as substring.

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 28729559041.

It is not an unprimeable number, because it can be changed into a prime (28729509041) 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, 1392640 + ... + 1413118.

It is an arithmetic number, because the mean of its divisors is an integer number (3619123200).

Almost surely, 2^28729559041 is an apocalyptic number.

It is an amenable number.

28729559041 is a deficient number, since it is larger than the sum of its proper divisors (223426559).

28729559041 is a wasteful number, since it uses less digits than its factorization.

28729559041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31319.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 28729559041 in words is "twenty-eight billion, seven hundred twenty-nine million, five hundred fifty-nine thousand, forty-one".