344927476321 has 2 divisors, whose sum is σ = 344927476322. Its totient is φ = 344927476320.

The previous prime is 344927476301. The next prime is 344927476337. The reversal of 344927476321 is 123674729443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328036835025 + 16890641296 = 572745^2 + 129964^2 .

It is an emirp because it is prime and its reverse (123674729443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344927476321 - 2¹⁷ = 344927345249 is a prime.

It is not a weakly prime, because it can be changed into another prime (344927476301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172463738160 + 172463738161.

It is an arithmetic number, because the mean of its divisors is an integer number (172463738161).

Almost surely, 2^344927476321 is an apocalyptic number.

It is an amenable number.

344927476321 is a deficient number, since it is larger than the sum of its proper divisors (1).

344927476321 is an equidigital number, since it uses as much as digits as its factorization.

344927476321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 52.

The spelling of 344927476321 in words is "three hundred forty-four billion, nine hundred twenty-seven million, four hundred seventy-six thousand, three hundred twenty-one".