1986073608472 has 32 divisors (see below), whose sum is σ = 3728904112080. Its totient is φ = 991700075520.

The previous prime is 1986073608443. The next prime is 1986073608487. The reversal of 1986073608472 is 2748063706891.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1986073608472.

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 7 ways as a sum of consecutive naturals, for example, 18154128 + ... + 18263200.

Almost surely, 2^{1986073608472} is an apocalyptic number.

It is an amenable number.

1986073608472 is a deficient number, since it is larger than the sum of its proper divisors (1742830503608).

1986073608472 is a wasteful number, since it uses less digits than its factorization.

1986073608472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112123 (or 112119 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 1986073608472 in words is "one trillion, nine hundred eighty-six billion, seventy-three million, six hundred eight thousand, four hundred seventy-two".