705648667043 has 8 divisors (see below), whose sum is σ = 708231894720. Its totient is φ = 703069721640.

The previous prime is 705648667033. The next prime is 705648667121. The reversal of 705648667043 is 340766846507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 705648667043 - 2¹⁶ = 705648601507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 705648667043.

It is not an unprimeable number, because it can be changed into a prime (705648667033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 740213 + ... + 1399718.

It is an arithmetic number, because the mean of its divisors is an integer number (88528986840).

Almost surely, 2^705648667043 is an apocalyptic number.

705648667043 is a deficient number, since it is larger than the sum of its proper divisors (2583227677).

705648667043 is a wasteful number, since it uses less digits than its factorization.

705648667043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141137.

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 705648667043 in words is "seven hundred five billion, six hundred forty-eight million, six hundred sixty-seven thousand, forty-three".