197314496149 has 4 divisors (see below), whose sum is σ = 197339458464. Its totient is φ = 197289533836.

The previous prime is 197314496117. The next prime is 197314496153. The reversal of 197314496149 is 941694413791.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 197314496149 - 2⁵ = 197314496117 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197314496093 and 197314496102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197314496549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12469297 + ... + 12485110.

It is an arithmetic number, because the mean of its divisors is an integer number (49334864616).

Almost surely, 2^197314496149 is an apocalyptic number.

It is an amenable number.

197314496149 is a deficient number, since it is larger than the sum of its proper divisors (24962315).

197314496149 is an equidigital number, since it uses as much as digits as its factorization.

197314496149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24962314.

The product of its digits is 5878656, while the sum is 58.

The spelling of 197314496149 in words is "one hundred ninety-seven billion, three hundred fourteen million, four hundred ninety-six thousand, one hundred forty-nine".