705071505979 has 4 divisors (see below), whose sum is σ = 729384316560. Its totient is φ = 680758695400.

The previous prime is 705071505977. The next prime is 705071506001. The reversal of 705071505979 is 979505170507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979505170507 = 100493 ⋅9746999.

It is a cyclic number.

It is not a de Polignac number, because 705071505979 - 2¹ = 705071505977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705071505977) 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 3 ways as a sum of consecutive naturals, for example, 12156405247 + ... + 12156405304.

It is an arithmetic number, because the mean of its divisors is an integer number (182346079140).

Almost surely, 2^705071505979 is an apocalyptic number.

705071505979 is a deficient number, since it is larger than the sum of its proper divisors (24312810581).

705071505979 is a wasteful number, since it uses less digits than its factorization.

705071505979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24312810580.

The product of its (nonzero) digits is 3472875, while the sum is 55.

The spelling of 705071505979 in words is "seven hundred five billion, seventy-one million, five hundred five thousand, nine hundred seventy-nine".