344827589663 has 2 divisors, whose sum is σ = 344827589664. Its totient is φ = 344827589662.

The previous prime is 344827589629. The next prime is 344827589693. The reversal of 344827589663 is 366985728443.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (366985728443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344827589663 - 2¹⁸ = 344827327519 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 344827589663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344827589693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172413794831 + 172413794832.

It is an arithmetic number, because the mean of its divisors is an integer number (172413794832).

Almost surely, 2^344827589663 is an apocalyptic number.

344827589663 is a deficient number, since it is larger than the sum of its proper divisors (1).

344827589663 is an equidigital number, since it uses as much as digits as its factorization.

344827589663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 65.

The spelling of 344827589663 in words is "three hundred forty-four billion, eight hundred twenty-seven million, five hundred eighty-nine thousand, six hundred sixty-three".