197127298953 has 12 divisors (see below), whose sum is σ = 306642465220. Its totient is φ = 121309106976.

The previous prime is 197127298933. The next prime is 197127298993. The reversal of 197127298953 is 359892721791.

197127298953 is a `hidden beast` number, since 197 + 1 + 272 + 98 + 95 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73665016569 + 123462282384 = 271413^2 + 351372^2 .

It is not a de Polignac number, because 197127298953 - 2⁶ = 197127298889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197127298933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 842424238 + ... + 842424471.

Almost surely, 2^197127298953 is an apocalyptic number.

197127298953 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

197127298953 is a deficient number, since it is larger than the sum of its proper divisors (109515166267).

197127298953 is a wasteful number, since it uses less digits than its factorization.

197127298953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684848728 (or 1684848725 counting only the distinct ones).

The product of its digits is 17146080, while the sum is 63.

The spelling of 197127298953 in words is "one hundred ninety-seven billion, one hundred twenty-seven million, two hundred ninety-eight thousand, nine hundred fifty-three".