1923996565776 has 20 divisors (see below), whose sum is σ = 4970324461712. Its totient is φ = 641332188576.

The previous prime is 1923996565769. The next prime is 1923996565847. The reversal of 1923996565776 is 6775656993291.

It is a junction number, because it is equal to n+sod(n) for n = 1923996565698 and 1923996565707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20041630846 + ... + 20041630941.

Almost surely, 2^{1923996565776} is an apocalyptic number.

1923996565776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1923996565776 is an abundant number, since it is smaller than the sum of its proper divisors (3046327895936).

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

1923996565776 is a wasteful number, since it uses less digits than its factorization.

1923996565776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40083261798 (or 40083261792 counting only the distinct ones).

The product of its digits is 1157360400, while the sum is 75.

The spelling of 1923996565776 in words is "one trillion, nine hundred twenty-three billion, nine hundred ninety-six million, five hundred sixty-five thousand, seven hundred seventy-six".