4198446078139 has 2 divisors, whose sum is σ = 4198446078140. Its totient is φ = 4198446078138.

The previous prime is 4198446078119. The next prime is 4198446078149. The reversal of 4198446078139 is 9318706448914.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4198446078139 - 2¹¹ = 4198446076091 is a prime.

It is not a weakly prime, because it can be changed into another prime (4198446078119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2099223039069 + 2099223039070.

It is an arithmetic number, because the mean of its divisors is an integer number (2099223039070).

Almost surely, 2^{4198446078139} is an apocalyptic number.

4198446078139 is a deficient number, since it is larger than the sum of its proper divisors (1).

4198446078139 is an equidigital number, since it uses as much as digits as its factorization.

4198446078139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 4198446078139 in words is "four trillion, one hundred ninety-eight billion, four hundred forty-six million, seventy-eight thousand, one hundred thirty-nine".