28524433043929 has 9 divisors (see below), whose sum is σ = 28697158135551. Its totient is φ = 28352741478360.

The previous prime is 28524433043839. The next prime is 28524433043971. The reversal of 28524433043929 is 92934033442582.

It is a happy number.

The square root of 28524433043929 is 5340827.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1688510528329 + 26835922515600 = 1299427^2 + 5180340^2 .

It is not a de Polignac number, because 28524433043929 - 2³³ = 28515843109337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28524433043329) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 891902119 + ... + 891934099.

Almost surely, 2^{28524433043929} is an apocalyptic number.

28524433043929 is the 5340827-th square number.

28524433043929 is the 2670414-th centered octagonal number.

It is an amenable number.

28524433043929 is a deficient number, since it is larger than the sum of its proper divisors (172725091622).

28524433043929 is an frugal number, since it uses more digits than its factorization.

28524433043929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64296 (or 32148 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 58.

The spelling of 28524433043929 in words is "twenty-eight trillion, five hundred twenty-four billion, four hundred thirty-three million, forty-three thousand, nine hundred twenty-nine".