197312064735 has 16 divisors (see below), whose sum is σ = 318185127936. Its totient is φ = 104404493088.

The previous prime is 197312064689. The next prime is 197312064757. The reversal of 197312064735 is 537460213791.

It is a happy number.

It is not a de Polignac number, because 197312064735 - 2³² = 193017097439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51786039 + ... + 51789848.

It is an arithmetic number, because the mean of its divisors is an integer number (19886570496).

Almost surely, 2^197312064735 is an apocalyptic number.

197312064735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197312064735 is a deficient number, since it is larger than the sum of its proper divisors (120873063201).

197312064735 is a wasteful number, since it uses less digits than its factorization.

197312064735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103576022.

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 197312064735 in words is "one hundred ninety-seven billion, three hundred twelve million, sixty-four thousand, seven hundred thirty-five".