705493971384 has 128 divisors (see below), whose sum is σ = 1833949719360. Its totient is φ = 225978052608.

The previous prime is 705493971373. The next prime is 705493971397. The reversal of 705493971384 is 483179394507.

It is a super-4 number, since 4×705493971384⁴ (a number of 48 digits) contains 4444 as substring.

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 31 ways as a sum of consecutive naturals, for example, 23951514 + ... + 23980950.

Almost surely, 2^705493971384 is an apocalyptic number.

705493971384 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 705493971384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (916974859680).

705493971384 is an abundant number, since it is smaller than the sum of its proper divisors (1128455747976).

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

705493971384 is a wasteful number, since it uses less digits than its factorization.

705493971384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29817 (or 29813 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 705493971384 in words is "seven hundred five billion, four hundred ninety-three million, nine hundred seventy-one thousand, three hundred eighty-four".