1996980281479 has 8 divisors (see below), whose sum is σ = 2102206423680. Its totient is φ = 1891766331000.

The previous prime is 1996980281477. The next prime is 1996980281501. The reversal of 1996980281479 is 9741820896991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1996980281479 - 2¹ = 1996980281477 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 (1996980281477) 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, 2710747 + ... + 3367804.

It is an arithmetic number, because the mean of its divisors is an integer number (262775802960).

Almost surely, 2^{1996980281479} is an apocalyptic number.

1996980281479 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1996980281479 is a deficient number, since it is larger than the sum of its proper divisors (105226142201).

1996980281479 is a wasteful number, since it uses less digits than its factorization.

1996980281479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6095861.

The product of its (nonzero) digits is 141087744, while the sum is 73.

The spelling of 1996980281479 in words is "one trillion, nine hundred ninety-six billion, nine hundred eighty million, two hundred eighty-one thousand, four hundred seventy-nine".