3662347121 has 2 divisors, whose sum is σ = 3662347122. Its totient is φ = 3662347120.

The previous prime is 3662347103. The next prime is 3662347159. The reversal of 3662347121 is 1217432663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3230330896 + 432016225 = 56836^2 + 20785^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3662347121 is a prime.

It is not a weakly prime, because it can be changed into another prime (3662347021) 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, 1831173560 + 1831173561.

It is an arithmetic number, because the mean of its divisors is an integer number (1831173561).

Almost surely, 2^3662347121 is an apocalyptic number.

It is an amenable number.

3662347121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3662347121 is an equidigital number, since it uses as much as digits as its factorization.

3662347121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 3662347121 is about 60517.3290967141. The cubic root of 3662347121 is about 1541.4159015139.

Adding to 3662347121 its reverse (1217432663), we get a palindrome (4879779784).

The spelling of 3662347121 in words is "three billion, six hundred sixty-two million, three hundred forty-seven thousand, one hundred twenty-one".