4638758039 has 2 divisors, whose sum is σ = 4638758040. Its totient is φ = 4638758038.

The previous prime is 4638758029. The next prime is 4638758051. The reversal of 4638758039 is 9308578364.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4638758039 is a prime.

It is a super-2 number, since 2×4638758039² = 43036152288774251042, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4638758029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319379019 + 2319379020.

It is an arithmetic number, because the mean of its divisors is an integer number (2319379020).

Almost surely, 2^4638758039 is an apocalyptic number.

4638758039 is a deficient number, since it is larger than the sum of its proper divisors (1).

4638758039 is an equidigital number, since it uses as much as digits as its factorization.

4638758039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The square root of 4638758039 is about 68108.4285459590. The cubic root of 4638758039 is about 1667.7613566260.

The spelling of 4638758039 in words is "four billion, six hundred thirty-eight million, seven hundred fifty-eight thousand, thirty-nine".