8406196129 has 2 divisors, whose sum is σ = 8406196130. Its totient is φ = 8406196128.

The previous prime is 8406196081. The next prime is 8406196133. The reversal of 8406196129 is 9216916048.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7284281104 + 1121915025 = 85348^2 + 33495^2 .

It is a cyclic number.

It is not a de Polignac number, because 8406196129 - 2²³ = 8397807521 is a prime.

It is not a weakly prime, because it can be changed into another prime (8406196829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4203098064 + 4203098065.

It is an arithmetic number, because the mean of its divisors is an integer number (4203098065).

Almost surely, 2^8406196129 is an apocalyptic number.

It is an amenable number.

8406196129 is a deficient number, since it is larger than the sum of its proper divisors (1).

8406196129 is an equidigital number, since it uses as much as digits as its factorization.

8406196129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 8406196129 is about 91685.3103228647. The cubic root of 8406196129 is about 2033.2924100665.

The spelling of 8406196129 in words is "eight billion, four hundred six million, one hundred ninety-six thousand, one hundred twenty-nine".