195830981469 has 12 divisors (see below), whose sum is σ = 288885420096. Its totient is φ = 127776242952.

The previous prime is 195830981447. The next prime is 195830981513. The reversal of 195830981469 is 964189038591.

195830981469 is a `hidden beast` number, since 1 + 9 + 5 + 83 + 0 + 98 + 1 + 469 = 666.

It is not a de Polignac number, because 195830981469 - 2⁷ = 195830981341 is a prime.

It is a super-2 number, since 2×195830981469² (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 (195830989469) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231478279 + ... + 231479124.

It is an arithmetic number, because the mean of its divisors is an integer number (24073785008).

Almost surely, 2^195830981469 is an apocalyptic number.

It is an amenable number.

195830981469 is a deficient number, since it is larger than the sum of its proper divisors (93054438627).

195830981469 is a wasteful number, since it uses less digits than its factorization.

195830981469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462957456 (or 462957453 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 195830981469 in words is "one hundred ninety-five billion, eight hundred thirty million, nine hundred eighty-one thousand, four hundred sixty-nine".