19782437412 has 48 divisors (see below), whose sum is σ = 47296972800. Its totient is φ = 6432000288.

The previous prime is 19782437407. The next prime is 19782437429. The reversal of 19782437412 is 21473428791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357589 + ... + 409187.

It is an arithmetic number, because the mean of its divisors is an integer number (985353600).

Almost surely, 2^19782437412 is an apocalyptic number.

19782437412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19782437412 is an abundant number, since it is smaller than the sum of its proper divisors (27514535388).

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

19782437412 is a wasteful number, since it uses less digits than its factorization.

19782437412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52392 (or 52390 counting only the distinct ones).

The product of its digits is 677376, while the sum is 48.

The spelling of 19782437412 in words is "nineteen billion, seven hundred eighty-two million, four hundred thirty-seven thousand, four hundred twelve".