4138529387 has 2 divisors, whose sum is σ = 4138529388. Its totient is φ = 4138529386.

The previous prime is 4138529341. The next prime is 4138529393. The reversal of 4138529387 is 7839258314.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4138529387 - 2¹⁰ = 4138528363 is a prime.

It is not a weakly prime, because it can be changed into another prime (4138529987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2069264693 + 2069264694.

It is an arithmetic number, because the mean of its divisors is an integer number (2069264694).

Almost surely, 2^4138529387 is an apocalyptic number.

4138529387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4138529387 is an equidigital number, since it uses as much as digits as its factorization.

4138529387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 50.

The square root of 4138529387 is about 64331.4028060946. The cubic root of 4138529387 is about 1605.5186242065.

The spelling of 4138529387 in words is "four billion, one hundred thirty-eight million, five hundred twenty-nine thousand, three hundred eighty-seven".