344022262561 has 4 divisors (see below), whose sum is σ = 344028788500. Its totient is φ = 344015736624.

The previous prime is 344022262541. The next prime is 344022262583. The reversal of 344022262561 is 165262220443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 165262220443 = 26813 ⋅6163511.

It can be written as a sum of positive squares in 2 ways, for example, as 298422930961 + 45599331600 = 546281^2 + 213540^2 .

It is a cyclic number.

It is not a de Polignac number, because 344022262561 - 2⁹ = 344022262049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 344022262561.

It is not an unprimeable number, because it can be changed into a prime (344022262541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3183246 + ... + 3289543.

It is an arithmetic number, because the mean of its divisors is an integer number (86007197125).

Almost surely, 2^344022262561 is an apocalyptic number.

It is an amenable number.

344022262561 is a deficient number, since it is larger than the sum of its proper divisors (6525939).

344022262561 is an equidigital number, since it uses as much as digits as its factorization.

344022262561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525938.

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 344022262561 in words is "three hundred forty-four billion, twenty-two million, two hundred sixty-two thousand, five hundred sixty-one".