705220219973 has 2 divisors, whose sum is σ = 705220219974. Its totient is φ = 705220219972.

The previous prime is 705220219931. The next prime is 705220220017. The reversal of 705220219973 is 379912022507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 699242146849 + 5978073124 = 836207^2 + 77318^2 .

It is an emirp because it is prime and its reverse (379912022507) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 705220219973 - 2⁶ = 705220219909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (705220219903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352610109986 + 352610109987.

It is an arithmetic number, because the mean of its divisors is an integer number (352610109987).

Almost surely, 2^705220219973 is an apocalyptic number.

It is an amenable number.

705220219973 is a deficient number, since it is larger than the sum of its proper divisors (1).

705220219973 is an equidigital number, since it uses as much as digits as its factorization.

705220219973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 705220219973 in words is "seven hundred five billion, two hundred twenty million, two hundred nineteen thousand, nine hundred seventy-three".