3684278497 has 2 divisors, whose sum is σ = 3684278498. Its totient is φ = 3684278496.

The previous prime is 3684278489. The next prime is 3684278501. The reversal of 3684278497 is 7948724863.

3684278497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3341880481 + 342398016 = 57809^2 + 18504^2 .

It is a cyclic number.

It is not a de Polignac number, because 3684278497 - 2³ = 3684278489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3684278197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1842139248 + 1842139249.

It is an arithmetic number, because the mean of its divisors is an integer number (1842139249).

Almost surely, 2^3684278497 is an apocalyptic number.

It is an amenable number.

3684278497 is a deficient number, since it is larger than the sum of its proper divisors (1).

3684278497 is an equidigital number, since it uses as much as digits as its factorization.

3684278497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 58.

The square root of 3684278497 is about 60698.2577756561. The cubic root of 3684278497 is about 1544.4866204503.

The spelling of 3684278497 in words is "three billion, six hundred eighty-four million, two hundred seventy-eight thousand, four hundred ninety-seven".