197192073545 has 16 divisors (see below), whose sum is σ = 249893707392. Its totient is φ = 149076787200.

The previous prime is 197192073527. The next prime is 197192073557. The reversal of 197192073545 is 545370291791.

It is a de Polignac number, because none of the positive numbers 2^k-197192073545 is a prime.

It is a Duffinian 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, 10320056 + ... + 10339145.

It is an arithmetic number, because the mean of its divisors is an integer number (15618356712).

Almost surely, 2^197192073545 is an apocalyptic number.

It is an amenable number.

197192073545 is a deficient number, since it is larger than the sum of its proper divisors (52701633847).

197192073545 is a wasteful number, since it uses less digits than its factorization.

197192073545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20659312.

The product of its (nonzero) digits is 2381400, while the sum is 53.

The spelling of 197192073545 in words is "one hundred ninety-seven billion, one hundred ninety-two million, seventy-three thousand, five hundred forty-five".