344035645645 has 16 divisors (see below), whose sum is σ = 413516502000. Its totient is φ = 274779701248.

The previous prime is 344035645633. The next prime is 344035645649. The reversal of 344035645645 is 546546530443.

It can be written as a sum of positive squares in 8 ways, for example, as 4270230409 + 339765415236 = 65347^2 + 582894^2 .

It is a cyclic number.

It is not a de Polignac number, because 344035645645 - 2¹⁹ = 344035121357 is a prime.

It is a super-3 number, since 3×344035645645³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344035645649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8754801 + ... + 8794009.

It is an arithmetic number, because the mean of its divisors is an integer number (25844781375).

Almost surely, 2^344035645645 is an apocalyptic number.

It is an amenable number.

344035645645 is a deficient number, since it is larger than the sum of its proper divisors (69480856355).

344035645645 is a wasteful number, since it uses less digits than its factorization.

344035645645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42032.

The product of its (nonzero) digits is 10368000, while the sum is 49.

The spelling of 344035645645 in words is "three hundred forty-four billion, thirty-five million, six hundred forty-five thousand, six hundred forty-five".