196429489 has 2 divisors, whose sum is σ = 196429490. Its totient is φ = 196429488.

The previous prime is 196429481. The next prime is 196429553. The reversal of 196429489 is 984924691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155251600 + 41177889 = 12460^2 + 6417^2 .

It is a cyclic number.

It is not a de Polignac number, because 196429489 - 2³ = 196429481 is a prime.

It is a super-2 number, since 2×196429489² = 77169088297602242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (196429481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98214744 + 98214745.

It is an arithmetic number, because the mean of its divisors is an integer number (98214745).

Almost surely, 2^196429489 is an apocalyptic number.

It is an amenable number.

196429489 is a deficient number, since it is larger than the sum of its proper divisors (1).

196429489 is an equidigital number, since it uses as much as digits as its factorization.

196429489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 52.

The square root of 196429489 is about 14015.3304991356. The cubic root of 196429489 is about 581.3025511665.

The spelling of 196429489 in words is "one hundred ninety-six million, four hundred twenty-nine thousand, four hundred eighty-nine".