1429427971 has 2 divisors, whose sum is σ = 1429427972. Its totient is φ = 1429427970.

The previous prime is 1429427959. The next prime is 1429428001. The reversal of 1429427971 is 1797249241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1797249241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1429427971 - 2⁹ = 1429427459 is a prime.

It is not a weakly prime, because it can be changed into another prime (1429427911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714713985 + 714713986.

It is an arithmetic number, because the mean of its divisors is an integer number (714713986).

Almost surely, 2^1429427971 is an apocalyptic number.

1429427971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429427971 is an equidigital number, since it uses as much as digits as its factorization.

1429427971 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1429427971 is about 37807.7765942405. The cubic root of 1429427971 is about 1126.4729272605.

The spelling of 1429427971 in words is "one billion, four hundred twenty-nine million, four hundred twenty-seven thousand, nine hundred seventy-one".