444012340139 has 2 divisors, whose sum is σ = 444012340140. Its totient is φ = 444012340138.

The previous prime is 444012340091. The next prime is 444012340147. The reversal of 444012340139 is 931043210444.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 444012340139 - 2¹⁶ = 444012274603 is a prime.

It is a super-2 number, since 2×444012340139² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 444012340099 and 444012340108.

It is not a weakly prime, because it can be changed into another prime (444012340169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222006170069 + 222006170070.

It is an arithmetic number, because the mean of its divisors is an integer number (222006170070).

Almost surely, 2^444012340139 is an apocalyptic number.

444012340139 is a deficient number, since it is larger than the sum of its proper divisors (1).

444012340139 is an equidigital number, since it uses as much as digits as its factorization.

444012340139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 444012340139 in words is "four hundred forty-four billion, twelve million, three hundred forty thousand, one hundred thirty-nine".