195433927414921 has 32 divisors (see below), whose sum is σ = 217345519964160. Its totient is φ = 174509720179200.

The previous prime is 195433927414919. The next prime is 195433927414951. The reversal of 195433927414921 is 129414729334591.

It is a cyclic number.

It is not a de Polignac number, because 195433927414921 - 2¹ = 195433927414919 is a prime.

It is a super-2 number, since 2×195433927414921² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195433927414951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14243410341 + ... + 14243424061.

It is an arithmetic number, because the mean of its divisors is an integer number (6792047498880).

Almost surely, 2^{195433927414921} is an apocalyptic number.

It is an amenable number.

195433927414921 is a deficient number, since it is larger than the sum of its proper divisors (21911592549239).

195433927414921 is a wasteful number, since it uses less digits than its factorization.

195433927414921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25657.

The product of its digits is 58786560, while the sum is 64.

The spelling of 195433927414921 in words is "one hundred ninety-five trillion, four hundred thirty-three billion, nine hundred twenty-seven million, four hundred fourteen thousand, nine hundred twenty-one".