705535420893 has 16 divisors (see below), whose sum is σ = 999453722880. Its totient is φ = 441863747136.

The previous prime is 705535420853. The next prime is 705535420969. The reversal of 705535420893 is 398024535507.

It is a de Polignac number, because none of the positive numbers 2^k-705535420893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705535420853) 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 15 ways as a sum of consecutive naturals, for example, 109586005 + ... + 109592442.

It is an arithmetic number, because the mean of its divisors is an integer number (62465857680).

Almost surely, 2^705535420893 is an apocalyptic number.

It is an amenable number.

705535420893 is a deficient number, since it is larger than the sum of its proper divisors (293918301987).

705535420893 is a wasteful number, since it uses less digits than its factorization.

705535420893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219178516.

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 705535420893 in words is "seven hundred five billion, five hundred thirty-five million, four hundred twenty thousand, eight hundred ninety-three".