195780194701 has 16 divisors (see below), whose sum is σ = 244354053888. Its totient is φ = 152721273600.

The previous prime is 195780194699. The next prime is 195780194759. The reversal of 195780194701 is 107491087591.

It is a happy number.

195780194701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 195780194701 - 2¹ = 195780194699 is a prime.

It is a super-2 number, since 2×195780194701² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195780194101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15144460 + ... + 15157381.

It is an arithmetic number, because the mean of its divisors is an integer number (15272128368).

Almost surely, 2^195780194701 is an apocalyptic number.

It is an amenable number.

195780194701 is a deficient number, since it is larger than the sum of its proper divisors (48573859187).

195780194701 is a wasteful number, since it uses less digits than its factorization.

195780194701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30301932.

The product of its (nonzero) digits is 635040, while the sum is 52.

It can be divided in two parts, 1957801 and 94701, that added together give a palindrome (2052502).

The spelling of 195780194701 in words is "one hundred ninety-five billion, seven hundred eighty million, one hundred ninety-four thousand, seven hundred one".