4293390487 has 2 divisors, whose sum is σ = 4293390488. Its totient is φ = 4293390486.

The previous prime is 4293390467. The next prime is 4293390559. The reversal of 4293390487 is 7840933924.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4293390487 - 2²³ = 4285001879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4293390487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4293390407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2146695243 + 2146695244.

It is an arithmetic number, because the mean of its divisors is an integer number (2146695244).

Almost surely, 2^4293390487 is an apocalyptic number.

4293390487 is a deficient number, since it is larger than the sum of its proper divisors (1).

4293390487 is an equidigital number, since it uses as much as digits as its factorization.

4293390487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 4293390487 is about 65523.9687976850. The cubic root of 4293390487 is about 1625.2997300528.

The spelling of 4293390487 in words is "four billion, two hundred ninety-three million, three hundred ninety thousand, four hundred eighty-seven".