344827621069 has 2 divisors, whose sum is σ = 344827621070. Its totient is φ = 344827621068.

The previous prime is 344827621001. The next prime is 344827621091. The reversal of 344827621069 is 960126728443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197553580900 + 147274040169 = 444470^2 + 383763^2 .

It is a cyclic number.

It is not a de Polignac number, because 344827621069 - 2⁷ = 344827620941 is a prime.

It is a super-2 number, since 2×344827621069² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344827627069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172413810534 + 172413810535.

It is an arithmetic number, because the mean of its divisors is an integer number (172413810535).

Almost surely, 2^344827621069 is an apocalyptic number.

It is an amenable number.

344827621069 is a deficient number, since it is larger than the sum of its proper divisors (1).

344827621069 is an equidigital number, since it uses as much as digits as its factorization.

344827621069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 344827621069 in words is "three hundred forty-four billion, eight hundred twenty-seven million, six hundred twenty-one thousand, sixty-nine".