3823682521 has 2 divisors, whose sum is σ = 3823682522. Its totient is φ = 3823682520.

The previous prime is 3823682437. The next prime is 3823682539. The reversal of 3823682521 is 1252863283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2174916496 + 1648766025 = 46636^2 + 40605^2 .

It is a cyclic number.

It is not a de Polignac number, because 3823682521 - 2¹⁷ = 3823551449 is a prime.

It is not a weakly prime, because it can be changed into another prime (3823682021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1911841260 + 1911841261.

It is an arithmetic number, because the mean of its divisors is an integer number (1911841261).

Almost surely, 2^3823682521 is an apocalyptic number.

It is an amenable number.

3823682521 is a deficient number, since it is larger than the sum of its proper divisors (1).

3823682521 is an equidigital number, since it uses as much as digits as its factorization.

3823682521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 40.

The square root of 3823682521 is about 61835.9322805115. The cubic root of 3823682521 is about 1563.7258249218.

The spelling of 3823682521 in words is "three billion, eight hundred twenty-three million, six hundred eighty-two thousand, five hundred twenty-one".