1429818857 has 2 divisors, whose sum is σ = 1429818858. Its totient is φ = 1429818856.

The previous prime is 1429818853. The next prime is 1429818893. The reversal of 1429818857 is 7588189241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1057290256 + 372528601 = 32516^2 + 19301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429818857 - 2² = 1429818853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1429818799 and 1429818808.

It is not a weakly prime, because it can be changed into another prime (1429818853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714909428 + 714909429.

It is an arithmetic number, because the mean of its divisors is an integer number (714909429).

Almost surely, 2^1429818857 is an apocalyptic number.

It is an amenable number.

1429818857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429818857 is an equidigital number, since it uses as much as digits as its factorization.

1429818857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 53.

The square root of 1429818857 is about 37812.9456271262. The cubic root of 1429818857 is about 1126.5755982532.

The spelling of 1429818857 in words is "one billion, four hundred twenty-nine million, eight hundred eighteen thousand, eight hundred fifty-seven".