28969741523 has 8 divisors (see below), whose sum is σ = 29023483440. Its totient is φ = 28916030880.

The previous prime is 28969741447. The next prime is 28969741597. The reversal of 28969741523 is 32514796982.

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 28969741523 - 2⁸ = 28969741267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28969711523) 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, 2631236 + ... + 2642222.

It is an arithmetic number, because the mean of its divisors is an integer number (3627935430).

Almost surely, 2^28969741523 is an apocalyptic number.

28969741523 is a deficient number, since it is larger than the sum of its proper divisors (53741917).

28969741523 is a wasteful number, since it uses less digits than its factorization.

28969741523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15637.

The product of its digits is 6531840, while the sum is 56.

The spelling of 28969741523 in words is "twenty-eight billion, nine hundred sixty-nine million, seven hundred forty-one thousand, five hundred twenty-three".