17928552479039 has 4 divisors (see below), whose sum is σ = 17929062529056. Its totient is φ = 17928042429024.

The previous prime is 17928552479023. The next prime is 17928552479129. The reversal of 17928552479039 is 93097425582971.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 17928552479039 - 2⁴ = 17928552479023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17928552179039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254972279 + ... + 255042584.

It is an arithmetic number, because the mean of its divisors is an integer number (4482265632264).

Almost surely, 2^{17928552479039} is an apocalyptic number.

17928552479039 is a deficient number, since it is larger than the sum of its proper divisors (510050017).

17928552479039 is an equidigital number, since it uses as much as digits as its factorization.

17928552479039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510050016.

The product of its (nonzero) digits is 342921600, while the sum is 71.

The spelling of 17928552479039 in words is "seventeen trillion, nine hundred twenty-eight billion, five hundred fifty-two million, four hundred seventy-nine thousand, thirty-nine".