28731588574429 has 32 divisors (see below), whose sum is σ = 32224748774400. Its totient is φ = 25434352823040.

The previous prime is 28731588574411. The next prime is 28731588574457. The reversal of 28731588574429 is 92447588513782.

It is not a de Polignac number, because 28731588574429 - 2²⁵ = 28731555019997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28731588571429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67552624 + ... + 67976614.

It is an arithmetic number, because the mean of its divisors is an integer number (1007023399200).

Almost surely, 2^{28731588574429} is an apocalyptic number.

28731588574429 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

28731588574429 is a deficient number, since it is larger than the sum of its proper divisors (3493160199971).

28731588574429 is a wasteful number, since it uses less digits than its factorization.

28731588574429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425245.

The product of its digits is 1083801600, while the sum is 73.

The spelling of 28731588574429 in words is "twenty-eight trillion, seven hundred thirty-one billion, five hundred eighty-eight million, five hundred seventy-four thousand, four hundred twenty-nine".