197920024147 has 2 divisors, whose sum is σ = 197920024148. Its totient is φ = 197920024146.

The previous prime is 197920024109. The next prime is 197920024157. The reversal of 197920024147 is 741420029791.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 197920024147 - 2¹¹ = 197920022099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197920024097 and 197920024106.

It is not a weakly prime, because it can be changed into another prime (197920024157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98960012073 + 98960012074.

It is an arithmetic number, because the mean of its divisors is an integer number (98960012074).

Almost surely, 2^197920024147 is an apocalyptic number.

197920024147 is a deficient number, since it is larger than the sum of its proper divisors (1).

197920024147 is an equidigital number, since it uses as much as digits as its factorization.

197920024147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 197920024147 in words is "one hundred ninety-seven billion, nine hundred twenty million, twenty-four thousand, one hundred forty-seven".