1424661665005 has 12 divisors (see below), whose sum is σ = 1804308349212. Its totient is φ = 1079743576320.

The previous prime is 1424661665003. The next prime is 1424661665129. The reversal of 1424661665005 is 5005661664241.

It can be written as a sum of positive squares in 2 ways, for example, as 706349478916 + 718312186089 = 840446^2 + 847533^2 .

It is not a de Polignac number, because 1424661665005 - 2¹ = 1424661665003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424661665003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 394641316 + ... + 394644925.

It is an arithmetic number, because the mean of its divisors is an integer number (150359029101).

Almost surely, 2^{1424661665005} is an apocalyptic number.

It is an amenable number.

1424661665005 is a deficient number, since it is larger than the sum of its proper divisors (379646684207).

1424661665005 is an equidigital number, since it uses as much as digits as its factorization.

1424661665005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789286284 (or 789286265 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 1424661665005 in words is "one trillion, four hundred twenty-four billion, six hundred sixty-one million, six hundred sixty-five thousand, five".