4358640427 has 2 divisors, whose sum is σ = 4358640428. Its totient is φ = 4358640426.

The previous prime is 4358640383. The next prime is 4358640491. The reversal of 4358640427 is 7240468534.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4358640427 is a prime.

It is not a weakly prime, because it can be changed into another prime (4358643427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2179320213 + 2179320214.

It is an arithmetic number, because the mean of its divisors is an integer number (2179320214).

Almost surely, 2^4358640427 is an apocalyptic number.

4358640427 is a deficient number, since it is larger than the sum of its proper divisors (1).

4358640427 is an equidigital number, since it uses as much as digits as its factorization.

4358640427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 645120, while the sum is 43.

The square root of 4358640427 is about 66020.0002044835. Note that the first 3 decimals coincide. The cubic root of 4358640427 is about 1633.4920088752.

The spelling of 4358640427 in words is "four billion, three hundred fifty-eight million, six hundred forty thousand, four hundred twenty-seven".