705454718959 has 2 divisors, whose sum is σ = 705454718960. Its totient is φ = 705454718958.

The previous prime is 705454718957. The next prime is 705454718993. The reversal of 705454718959 is 959817454507.

705454718959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 705454718959 - 2¹ = 705454718957 is a prime.

Together with 705454718957, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 705454718959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705454718957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352727359479 + 352727359480.

It is an arithmetic number, because the mean of its divisors is an integer number (352727359480).

Almost surely, 2^705454718959 is an apocalyptic number.

705454718959 is a deficient number, since it is larger than the sum of its proper divisors (1).

705454718959 is an equidigital number, since it uses as much as digits as its factorization.

705454718959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504000, while the sum is 64.

The spelling of 705454718959 in words is "seven hundred five billion, four hundred fifty-four million, seven hundred eighteen thousand, nine hundred fifty-nine".