344684486381 has 2 divisors, whose sum is σ = 344684486382. Its totient is φ = 344684486380.

The previous prime is 344684486359. The next prime is 344684486479. The reversal of 344684486381 is 183684486443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 287259553156 + 57424933225 = 535966^2 + 239635^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344684486381 is a prime.

It is a super-2 number, since 2×344684486381² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 344684486381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344684486981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172342243190 + 172342243191.

It is an arithmetic number, because the mean of its divisors is an integer number (172342243191).

Almost surely, 2^344684486381 is an apocalyptic number.

It is an amenable number.

344684486381 is a deficient number, since it is larger than the sum of its proper divisors (1).

344684486381 is an equidigital number, since it uses as much as digits as its factorization.

344684486381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42467328, while the sum is 59.

The spelling of 344684486381 in words is "three hundred forty-four billion, six hundred eighty-four million, four hundred eighty-six thousand, three hundred eighty-one".