344613612645 has 56 divisors (see below), whose sum is σ = 620300444256. Its totient is φ = 183711055968.

The previous prime is 344613612631. The next prime is 344613612653. The reversal of 344613612645 is 546216316443.

344613612645 is a `hidden beast` number, since 3 + 4 + 4 + 613 + 6 + 1 + 26 + 4 + 5 = 666.

It is not a de Polignac number, because 344613612645 - 2⁵ = 344613612613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 344613612645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 8534674 + ... + 8574956.

Almost surely, 2^344613612645 is an apocalyptic number.

It is an amenable number.

344613612645 is a deficient number, since it is larger than the sum of its proper divisors (275686831611).

344613612645 is an equidigital number, since it uses as much as digits as its factorization.

344613612645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42653 (or 42638 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 344613612645 in words is "three hundred forty-four billion, six hundred thirteen million, six hundred twelve thousand, six hundred forty-five".