1797473125890 has 96 divisors (see below), whose sum is σ = 5033793885120. Its totient is φ = 442378516608.

The previous prime is 1797473125853. The next prime is 1797473125897. The reversal of 1797473125890 is 985213747971.

1797473125890 is a `hidden beast` number, since 1 + 7 + 9 + 7 + 47 + 3 + 1 + 2 + 589 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (1797473125897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6800221 + ... + 7059599.

It is an arithmetic number, because the mean of its divisors is an integer number (52435352970).

Almost surely, 2^{1797473125890} is an apocalyptic number.

1797473125890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1797473125890 is an abundant number, since it is smaller than the sum of its proper divisors (3236320759230).

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

1797473125890 is a wasteful number, since it uses less digits than its factorization.

1797473125890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265328 (or 265325 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 63.

The spelling of 1797473125890 in words is "one trillion, seven hundred ninety-seven billion, four hundred seventy-three million, one hundred twenty-five thousand, eight hundred ninety".