3855533746039 has 2 divisors, whose sum is σ = 3855533746040. Its totient is φ = 3855533746038.

The previous prime is 3855533745983. The next prime is 3855533746063. The reversal of 3855533746039 is 9306473355583.

It is a strong prime.

It is an emirp because it is prime and its reverse (9306473355583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3855533746039 - 2³⁹ = 3305777932151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3855533246039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927766873019 + 1927766873020.

It is an arithmetic number, because the mean of its divisors is an integer number (1927766873020).

Almost surely, 2^{3855533746039} is an apocalyptic number.

3855533746039 is a deficient number, since it is larger than the sum of its proper divisors (1).

3855533746039 is an equidigital number, since it uses as much as digits as its factorization.

3855533746039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472000, while the sum is 61.

The spelling of 3855533746039 in words is "three trillion, eight hundred fifty-five billion, five hundred thirty-three million, seven hundred forty-six thousand, thirty-nine".