3682574921 has 2 divisors, whose sum is σ = 3682574922. Its totient is φ = 3682574920.

The previous prime is 3682574897. The next prime is 3682574953. The reversal of 3682574921 is 1294752863.

3682574921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3333445696 + 349129225 = 57736^2 + 18685^2 .

It is a cyclic number.

It is not a de Polignac number, because 3682574921 - 2¹⁰ = 3682573897 is a prime.

It is a super-2 number, since 2×3682574921² = 27122716097556312482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3682574981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1841287460 + 1841287461.

It is an arithmetic number, because the mean of its divisors is an integer number (1841287461).

Almost surely, 2^3682574921 is an apocalyptic number.

It is an amenable number.

3682574921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3682574921 is an equidigital number, since it uses as much as digits as its factorization.

3682574921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 47.

The square root of 3682574921 is about 60684.2229990629. Note that the first 3 decimals coincide. The cubic root of 3682574921 is about 1544.2485316825.

The spelling of 3682574921 in words is "three billion, six hundred eighty-two million, five hundred seventy-four thousand, nine hundred twenty-one".