344610649 has 2 divisors, whose sum is σ = 344610650. Its totient is φ = 344610648.

The previous prime is 344610631. The next prime is 344610653. The reversal of 344610649 is 946016443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344288025 + 322624 = 18555^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 344610649 - 2⁷ = 344610521 is a prime.

It is equal to p_18529606 and since 344610649 and 18529606 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (344610659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172305324 + 172305325.

It is an arithmetic number, because the mean of its divisors is an integer number (172305325).

Almost surely, 2^344610649 is an apocalyptic number.

It is an amenable number.

344610649 is a deficient number, since it is larger than the sum of its proper divisors (1).

344610649 is an equidigital number, since it uses as much as digits as its factorization.

344610649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 344610649 is about 18563.6916856535. The cubic root of 344610649 is about 701.0939690323.

The spelling of 344610649 in words is "three hundred forty-four million, six hundred ten thousand, six hundred forty-nine".