1487434429 has 4 divisors (see below), whose sum is σ = 1601852476. Its totient is φ = 1373016384.

The previous prime is 1487434423. The next prime is 1487434477. The reversal of 1487434429 is 9244347841.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 789048100 + 698386329 = 28090^2 + 26427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487434429 - 2⁷ = 1487434301 is a prime.

It is a super-2 number, since 2×1487434429² = 4424922361149112082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1487434423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57209004 + ... + 57209029.

It is an arithmetic number, because the mean of its divisors is an integer number (400463119).

Almost surely, 2^1487434429 is an apocalyptic number.

It is an amenable number.

1487434429 is a deficient number, since it is larger than the sum of its proper divisors (114418047).

1487434429 is a wasteful number, since it uses less digits than its factorization.

1487434429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114418046.

The product of its digits is 774144, while the sum is 46.

The square root of 1487434429 is about 38567.2714746584. The cubic root of 1487434429 is about 1141.5088334019.

The spelling of 1487434429 in words is "one billion, four hundred eighty-seven million, four hundred thirty-four thousand, four hundred twenty-nine".