1992197583488 has 64 divisors (see below), whose sum is σ = 4597941491520. Its totient is φ = 842103060480.

The previous prime is 1992197583473. The next prime is 1992197583583. The reversal of 1992197583488 is 8843857912991.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×1992197583488² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15163598 + ... + 15294413.

It is an arithmetic number, because the mean of its divisors is an integer number (71842835805).

Almost surely, 2^{1992197583488} is an apocalyptic number.

It is an amenable number.

1992197583488 is an abundant number, since it is smaller than the sum of its proper divisors (2605743908032).

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

1992197583488 is an equidigital number, since it uses as much as digits as its factorization.

1992197583488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30458105 (or 30458093 counting only the distinct ones).

The product of its digits is 313528320, while the sum is 74.

The spelling of 1992197583488 in words is "one trillion, nine hundred ninety-two billion, one hundred ninety-seven million, five hundred eighty-three thousand, four hundred eighty-eight".