1979630378496 has 120 divisors (see below), whose sum is σ = 5924953138104. Its totient is φ = 659876751360.

The previous prime is 1979630378459. The next prime is 1979630378501. The reversal of 1979630378496 is 6948730369791.

1979630378496 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 63 + 0 + 3 + 78 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 7831275 + ... + 8080106.

Almost surely, 2^{1979630378496} is an apocalyptic number.

1979630378496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1979630378496 is an abundant number, since it is smaller than the sum of its proper divisors (3945322759608).

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

1979630378496 is an frugal number, since it uses more digits than its factorization.

1979630378496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15911414 (or 15911386 counting only the distinct ones).

The product of its (nonzero) digits is 370355328, while the sum is 72.

The spelling of 1979630378496 in words is "one trillion, nine hundred seventy-nine billion, six hundred thirty million, three hundred seventy-eight thousand, four hundred ninety-six".