3440625019109 has 2 divisors, whose sum is σ = 3440625019110. Its totient is φ = 3440625019108.

The previous prime is 3440625019087. The next prime is 3440625019129. The reversal of 3440625019109 is 9019105260443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2954606896609 + 486018122500 = 1718897^2 + 697150^2 .

It is an emirp because it is prime and its reverse (9019105260443) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3440625019109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3440625019109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3440625019129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720312509554 + 1720312509555.

It is an arithmetic number, because the mean of its divisors is an integer number (1720312509555).

Almost surely, 2^{3440625019109} is an apocalyptic number.

It is an amenable number.

3440625019109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440625019109 is an equidigital number, since it uses as much as digits as its factorization.

3440625019109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 3440625019109 in words is "three trillion, four hundred forty billion, six hundred twenty-five million, nineteen thousand, one hundred nine".