1429209239 has 2 divisors, whose sum is σ = 1429209240. Its totient is φ = 1429209238.

The previous prime is 1429209179. The next prime is 1429209251. The reversal of 1429209239 is 9329029241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1429209239 - 2²⁴ = 1412432023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1429209196 and 1429209205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429209139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714604619 + 714604620.

It is an arithmetic number, because the mean of its divisors is an integer number (714604620).

Almost surely, 2^1429209239 is an apocalyptic number.

1429209239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429209239 is an equidigital number, since it uses as much as digits as its factorization.

1429209239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1429209239 is about 37804.8837982608. The cubic root of 1429209239 is about 1126.4154664556.

The spelling of 1429209239 in words is "one billion, four hundred twenty-nine million, two hundred nine thousand, two hundred thirty-nine".