197849397104908 has 6 divisors (see below), whose sum is σ = 346236444933596. Its totient is φ = 98924698552452.

The previous prime is 197849397104819. The next prime is 197849397104921. The reversal of 197849397104908 is 809401793948791.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24731174638110 + ... + 24731174638117.

Almost surely, 2^{197849397104908} is an apocalyptic number.

It is an amenable number.

197849397104908 is a deficient number, since it is larger than the sum of its proper divisors (148387047828688).

197849397104908 is a wasteful number, since it uses less digits than its factorization.

197849397104908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49462349276231 (or 49462349276229 counting only the distinct ones).

The product of its (nonzero) digits is 987614208, while the sum is 79.

The spelling of 197849397104908 in words is "one hundred ninety-seven trillion, eight hundred forty-nine billion, three hundred ninety-seven million, one hundred four thousand, nine hundred eight".