3854781523 has 2 divisors, whose sum is σ = 3854781524. Its totient is φ = 3854781522.

The previous prime is 3854781481. The next prime is 3854781607. The reversal of 3854781523 is 3251874583.

3854781523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (3251874583) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3854781523 - 2⁹ = 3854781011 is a prime.

It is not a weakly prime, because it can be changed into another prime (3854781023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1927390761 + 1927390762.

It is an arithmetic number, because the mean of its divisors is an integer number (1927390762).

Almost surely, 2^3854781523 is an apocalyptic number.

3854781523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3854781523 is an equidigital number, since it uses as much as digits as its factorization.

3854781523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806400, while the sum is 46.

The square root of 3854781523 is about 62086.8868844300. The cubic root of 3854781523 is about 1567.9537791532.

The spelling of 3854781523 in words is "three billion, eight hundred fifty-four million, seven hundred eighty-one thousand, five hundred twenty-three".