1705948095909 has 16 divisors (see below), whose sum is σ = 2353064845824. Its totient is φ = 1098224203200.

The previous prime is 1705948095851. The next prime is 1705948095931. The reversal of 1705948095909 is 9095908495071.

It is not a de Polignac number, because 1705948095909 - 2¹³ = 1705948087717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1705948095909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1705948095979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19852494 + ... + 19938239.

It is an arithmetic number, because the mean of its divisors is an integer number (147066552864).

Almost surely, 2^{1705948095909} is an apocalyptic number.

It is an amenable number.

1705948095909 is a deficient number, since it is larger than the sum of its proper divisors (647116749915).

1705948095909 is a wasteful number, since it uses less digits than its factorization.

1705948095909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39791228.

The product of its (nonzero) digits is 36741600, while the sum is 66.

The spelling of 1705948095909 in words is "one trillion, seven hundred five billion, nine hundred forty-eight million, ninety-five thousand, nine hundred nine".