1430428687 has 2 divisors, whose sum is σ = 1430428688. Its totient is φ = 1430428686.

The previous prime is 1430428667. The next prime is 1430428721. The reversal of 1430428687 is 7868240341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1430428687 - 2¹¹ = 1430426639 is a prime.

It is a super-2 number, since 2×1430428687² = 4092252457185087938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1430428667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715214343 + 715214344.

It is an arithmetic number, because the mean of its divisors is an integer number (715214344).

Almost surely, 2^1430428687 is an apocalyptic number.

1430428687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430428687 is an equidigital number, since it uses as much as digits as its factorization.

1430428687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 1430428687 is about 37821.0085402280. The cubic root of 1430428687 is about 1126.7357402049.

The spelling of 1430428687 in words is "one billion, four hundred thirty million, four hundred twenty-eight thousand, six hundred eighty-seven".