1579326543873 has 16 divisors (see below), whose sum is σ = 2519723261440. Its totient is φ = 971893257552.

The previous prime is 1579326543857. The next prime is 1579326543929. The reversal of 1579326543873 is 3783456239751.

1579326543873 is a `hidden beast` number, since 1 + 5 + 7 + 9 + 3 + 2 + 6 + 543 + 87 + 3 = 666.

It is not a de Polignac number, because 1579326543873 - 2⁴ = 1579326543857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1579326543873.

It is not an unprimeable number, because it can be changed into a prime (1579326543173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2249752561 + ... + 2249753262.

It is an arithmetic number, because the mean of its divisors is an integer number (157482703840).

Almost surely, 2^{1579326543873} is an apocalyptic number.

1579326543873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1579326543873 is a deficient number, since it is larger than the sum of its proper divisors (940396717567).

1579326543873 is a wasteful number, since it uses less digits than its factorization.

1579326543873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499505845 (or 4499505839 counting only the distinct ones).

The product of its digits is 114307200, while the sum is 63.

The spelling of 1579326543873 in words is "one trillion, five hundred seventy-nine billion, three hundred twenty-six million, five hundred forty-three thousand, eight hundred seventy-three".