1979534723328 has 360 divisors, whose sum is σ = 5942020436352. Its totient is φ = 655458988032.

The previous prime is 1979534723303. The next prime is 1979534723347. The reversal of 1979534723328 is 8233274359791.

1979534723328 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 534 + 72 + 3 + 3 + 28 = 666.

It is a super-2 number, since 2×1979534723328² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 3553922026 + ... + 3553922582.

Almost surely, 2^{1979534723328} is an apocalyptic number.

1979534723328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1979534723328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2971010218176).

1979534723328 is an abundant number, since it is smaller than the sum of its proper divisors (3962485713024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1979534723328 is an equidigital number, since it uses as much as digits as its factorization.

1979534723328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419 (or 1396 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 1979534723328 in words is "one trillion, nine hundred seventy-nine billion, five hundred thirty-four million, seven hundred twenty-three thousand, three hundred twenty-eight".