3678228126109 has 2 divisors, whose sum is σ = 3678228126110. Its totient is φ = 3678228126108.

The previous prime is 3678228126101. The next prime is 3678228126163. The reversal of 3678228126109 is 9016218228763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2412265603609 + 1265962522500 = 1553147^2 + 1125150^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678228126109 - 2³ = 3678228126101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3678228126109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3678228126101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839114063054 + 1839114063055.

It is an arithmetic number, because the mean of its divisors is an integer number (1839114063055).

Almost surely, 2^{3678228126109} is an apocalyptic number.

It is an amenable number.

3678228126109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678228126109 is an equidigital number, since it uses as much as digits as its factorization.

3678228126109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 3678228126109 in words is "three trillion, six hundred seventy-eight billion, two hundred twenty-eight million, one hundred twenty-six thousand, one hundred nine".