1429587989 has 2 divisors, whose sum is σ = 1429587990. Its totient is φ = 1429587988.

The previous prime is 1429587967. The next prime is 1429587997. The reversal of 1429587989 is 9897859241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995907364 + 433680625 = 31558^2 + 20825^2 .

It is a cyclic number.

It is not a de Polignac number, because 1429587989 - 2¹⁶ = 1429522453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1429587889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714793994 + 714793995.

It is an arithmetic number, because the mean of its divisors is an integer number (714793995).

Almost surely, 2^1429587989 is an apocalyptic number.

It is an amenable number.

1429587989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1429587989 is an equidigital number, since it uses as much as digits as its factorization.

1429587989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 62.

The square root of 1429587989 is about 37809.8927398637. The cubic root of 1429587989 is about 1126.5149602095.

The spelling of 1429587989 in words is "one billion, four hundred twenty-nine million, five hundred eighty-seven thousand, nine hundred eighty-nine".