3699202121 has 2 divisors, whose sum is σ = 3699202122. Its totient is φ = 3699202120.

The previous prime is 3699202103. The next prime is 3699202139. The reversal of 3699202121 is 1212029963.

It is a balanced prime because it is at equal distance from previous prime (3699202103) and next prime (3699202139).

It can be written as a sum of positive squares in only one way, i.e., 2023200400 + 1676001721 = 44980^2 + 40939^2 .

It is an emirp because it is prime and its reverse (1212029963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3699202121 - 2¹⁸ = 3698939977 is a prime.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1849601060 + 1849601061.

It is an arithmetic number, because the mean of its divisors is an integer number (1849601061).

Almost surely, 2^3699202121 is an apocalyptic number.

It is an amenable number.

3699202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3699202121 is an equidigital number, since it uses as much as digits as its factorization.

3699202121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 3699202121 is about 60821.0664243895. The cubic root of 3699202121 is about 1546.5691888616.

The spelling of 3699202121 in words is "three billion, six hundred ninety-nine million, two hundred two thousand, one hundred twenty-one".