197248635695 has 4 divisors (see below), whose sum is σ = 236698362840. Its totient is φ = 157798908552.

The previous prime is 197248635677. The next prime is 197248635707. The reversal of 197248635695 is 596536842791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197248635695 - 2³⁶ = 128529158959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19724863565 + ... + 19724863574.

It is an arithmetic number, because the mean of its divisors is an integer number (59174590710).

Almost surely, 2^197248635695 is an apocalyptic number.

197248635695 is a deficient number, since it is larger than the sum of its proper divisors (39449727145).

197248635695 is an equidigital number, since it uses as much as digits as its factorization.

197248635695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39449727144.

The product of its digits is 97977600, while the sum is 65.

The spelling of 197248635695 in words is "one hundred ninety-seven billion, two hundred forty-eight million, six hundred thirty-five thousand, six hundred ninety-five".