196424149 has 2 divisors, whose sum is σ = 196424150. Its totient is φ = 196424148.

The previous prime is 196424143. The next prime is 196424177. The reversal of 196424149 is 941424691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143760100 + 52664049 = 11990^2 + 7257^2 .

It is a cyclic number.

It is not a de Polignac number, because 196424149 - 2³ = 196424141 is a prime.

It is equal to p_10891957 and since 196424149 and 10891957 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196424141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98212074 + 98212075.

It is an arithmetic number, because the mean of its divisors is an integer number (98212075).

Almost surely, 2^196424149 is an apocalyptic number.

It is an amenable number.

196424149 is a deficient number, since it is larger than the sum of its proper divisors (1).

196424149 is an equidigital number, since it uses as much as digits as its factorization.

196424149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 40.

The square root of 196424149 is about 14015.1399921656. The cubic root of 196424149 is about 581.2972834854.

The spelling of 196424149 in words is "one hundred ninety-six million, four hundred twenty-four thousand, one hundred forty-nine".