1413644865109 has 2 divisors, whose sum is σ = 1413644865110. Its totient is φ = 1413644865108.

The previous prime is 1413644865089. The next prime is 1413644865131. The reversal of 1413644865109 is 9015684463141.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969693172900 + 443951692209 = 984730^2 + 666297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1413644865109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1413644865209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706822432554 + 706822432555.

It is an arithmetic number, because the mean of its divisors is an integer number (706822432555).

Almost surely, 2^{1413644865109} is an apocalyptic number.

It is an amenable number.

1413644865109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413644865109 is an equidigital number, since it uses as much as digits as its factorization.

1413644865109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 1413644865109 in words is "one trillion, four hundred thirteen billion, six hundred forty-four million, eight hundred sixty-five thousand, one hundred nine".