195545750389 has 16 divisors (see below), whose sum is σ = 214158610944. Its totient is φ = 177072706800.

The previous prime is 195545750371. The next prime is 195545750399. The reversal of 195545750389 is 983057545591.

It is not a de Polignac number, because 195545750389 - 2¹¹ = 195545748341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195545750359) 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, 9238152 + ... + 9259294.

It is an arithmetic number, because the mean of its divisors is an integer number (13384913184).

Almost surely, 2^195545750389 is an apocalyptic number.

It is an amenable number.

195545750389 is a deficient number, since it is larger than the sum of its proper divisors (18612860555).

195545750389 is a wasteful number, since it uses less digits than its factorization.

195545750389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24408.

The product of its (nonzero) digits is 34020000, while the sum is 61.

The spelling of 195545750389 in words is "one hundred ninety-five billion, five hundred forty-five million, seven hundred fifty thousand, three hundred eighty-nine".