1429816879 has 2 divisors, whose sum is σ = 1429816880. Its totient is φ = 1429816878.

The previous prime is 1429816859. The next prime is 1429816891. The reversal of 1429816879 is 9786189241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1429816879 - 2¹³ = 1429808687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429816819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714908439 + 714908440.

It is an arithmetic number, because the mean of its divisors is an integer number (714908440).

Almost surely, 2^1429816879 is an apocalyptic number.

1429816879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429816879 is an equidigital number, since it uses as much as digits as its factorization.

1429816879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1741824, while the sum is 55.

The square root of 1429816879 is about 37812.9194720535. The cubic root of 1429816879 is about 1126.5750787544.

The spelling of 1429816879 in words is "one billion, four hundred twenty-nine million, eight hundred sixteen thousand, eight hundred seventy-nine".