195860921734 has 16 divisors (see below), whose sum is σ = 294620571648. Its totient is φ = 97654350472.

The previous prime is 195860921731. The next prime is 195860921759. The reversal of 195860921734 is 437129068591.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195860921731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318347 + ... + 1459369.

It is an arithmetic number, because the mean of its divisors is an integer number (18413785728).

It is a 1-persistent number, because it is pandigital, but 2⋅195860921734 = 391721843468 is not.

Almost surely, 2^195860921734 is an apocalyptic number.

195860921734 is a deficient number, since it is larger than the sum of its proper divisors (98759649914).

195860921734 is a wasteful number, since it uses less digits than its factorization.

195860921734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142979.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 195860921734 in words is "one hundred ninety-five billion, eight hundred sixty million, nine hundred twenty-one thousand, seven hundred thirty-four".