1798491754338 has 16 divisors (see below), whose sum is σ = 3597012398496. Its totient is φ = 599492436480.

The previous prime is 1798491754337. The next prime is 1798491754373. The reversal of 1798491754338 is 8334571948971.

It is not an unprimeable number, because it can be changed into a prime (1798491754337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347608 + ... + 1928163.

It is an arithmetic number, because the mean of its divisors is an integer number (224813274906).

Almost surely, 2^{1798491754338} is an apocalyptic number.

1798491754338 is an abundant number, since it is smaller than the sum of its proper divisors (1798520644158).

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

1798491754338 is a wasteful number, since it uses less digits than its factorization.

1798491754338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407489.

The product of its digits is 182891520, while the sum is 69.

The spelling of 1798491754338 in words is "one trillion, seven hundred ninety-eight billion, four hundred ninety-one million, seven hundred fifty-four thousand, three hundred thirty-eight".