1691928482844 has 48 divisors (see below), whose sum is σ = 3952130112000. Its totient is φ = 563362500480.

The previous prime is 1691928482771. The next prime is 1691928482887. The reversal of 1691928482844 is 4482848291961.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118733032 + ... + 118747280.

It is an arithmetic number, because the mean of its divisors is an integer number (82336044000).

Almost surely, 2^{1691928482844} is an apocalyptic number.

It is an amenable number.

1691928482844 is an abundant number, since it is smaller than the sum of its proper divisors (2260201629156).

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

1691928482844 is a wasteful number, since it uses less digits than its factorization.

1691928482844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24330 (or 24328 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 66.

The spelling of 1691928482844 in words is "one trillion, six hundred ninety-one billion, nine hundred twenty-eight million, four hundred eighty-two thousand, eight hundred forty-four".