3858540530639 has 2 divisors, whose sum is σ = 3858540530640. Its totient is φ = 3858540530638.

The previous prime is 3858540530633. The next prime is 3858540530651. The reversal of 3858540530639 is 9360350458583.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3858540530639 - 2¹² = 3858540526543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3858540530633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929270265319 + 1929270265320.

It is an arithmetic number, because the mean of its divisors is an integer number (1929270265320).

Almost surely, 2^{3858540530639} is an apocalyptic number.

3858540530639 is a deficient number, since it is larger than the sum of its proper divisors (1).

3858540530639 is an equidigital number, since it uses as much as digits as its factorization.

3858540530639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656000, while the sum is 59.

The spelling of 3858540530639 in words is "three trillion, eight hundred fifty-eight billion, five hundred forty million, five hundred thirty thousand, six hundred thirty-nine".