197005043291 has 16 divisors (see below), whose sum is σ = 237561557760. Its totient is φ = 159593988960.

The previous prime is 197005043267. The next prime is 197005043297. The reversal of 197005043291 is 192340500791.

It is not a de Polignac number, because 197005043291 - 2⁶ = 197005043227 is a prime.

It is a super-2 number, since 2×197005043291² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197005043297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1703201 + ... + 1815186.

It is an arithmetic number, because the mean of its divisors is an integer number (14847597360).

Almost surely, 2^197005043291 is an apocalyptic number.

197005043291 is a deficient number, since it is larger than the sum of its proper divisors (40556514469).

197005043291 is a wasteful number, since it uses less digits than its factorization.

197005043291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518834.

The product of its (nonzero) digits is 68040, while the sum is 41.

The spelling of 197005043291 in words is "one hundred ninety-seven billion, five million, forty-three thousand, two hundred ninety-one".