345553043561344 has 16 divisors (see below), whose sum is σ = 688406453970120. Its totient is φ = 172776521780608.

The previous prime is 345553043561317. The next prime is 345553043561347. The reversal of 345553043561344 is 443165340355543.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345553043561347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349816576284 + ... + 1349816576539.

Almost surely, 2^{345553043561344} is an apocalyptic number.

It is an amenable number.

345553043561344 is a deficient number, since it is larger than the sum of its proper divisors (342853410408776).

345553043561344 is an equidigital number, since it uses as much as digits as its factorization.

345553043561344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699633152837 (or 2699633152825 counting only the distinct ones).

The product of its (nonzero) digits is 77760000, while the sum is 55.

The spelling of 345553043561344 in words is "three hundred forty-five trillion, five hundred fifty-three billion, forty-three million, five hundred sixty-one thousand, three hundred forty-four".