195742893 has 16 divisors (see below), whose sum is σ = 263115776. Its totient is φ = 129438000.

The previous prime is 195742891. The next prime is 195742909. The reversal of 195742893 is 398247591.

It is not a de Polignac number, because 195742893 - 2¹ = 195742891 is a prime.

It is a Duffinian number.

Its product of digits (544320) is a multiple of the sum of its prime divisors (1344).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195742891) 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, 260268 + ... + 261018.

It is an arithmetic number, because the mean of its divisors is an integer number (16444736).

Almost surely, 2^195742893 is an apocalyptic number.

It is an amenable number.

195742893 is a deficient number, since it is larger than the sum of its proper divisors (67372883).

195742893 is a wasteful number, since it uses less digits than its factorization.

195742893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its digits is 544320, while the sum is 48.

The square root of 195742893 is about 13990.8145938684. The cubic root of 195742893 is about 580.6244691074.

It can be divided in two parts, 1957 and 42893, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 195742893 in words is "one hundred ninety-five million, seven hundred forty-two thousand, eight hundred ninety-three".