3696569813 has 2 divisors, whose sum is σ = 3696569814. Its totient is φ = 3696569812.

The previous prime is 3696569771. The next prime is 3696569827. The reversal of 3696569813 is 3189656963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2064975364 + 1631594449 = 45442^2 + 40393^2 .

It is a cyclic number.

It is not a de Polignac number, because 3696569813 - 2⁶ = 3696569749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3696569413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1848284906 + 1848284907.

It is an arithmetic number, because the mean of its divisors is an integer number (1848284907).

Almost surely, 2^3696569813 is an apocalyptic number.

It is an amenable number.

3696569813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3696569813 is an equidigital number, since it uses as much as digits as its factorization.

3696569813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6298560, while the sum is 56.

The square root of 3696569813 is about 60799.4228015365. The cubic root of 3696569813 is about 1546.2022617664.

The spelling of 3696569813 in words is "three billion, six hundred ninety-six million, five hundred sixty-nine thousand, eight hundred thirteen".