344547795469 has 2 divisors, whose sum is σ = 344547795470. Its totient is φ = 344547795468.

The previous prime is 344547795463. The next prime is 344547795503. The reversal of 344547795469 is 964597745443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217890103369 + 126657692100 = 466787^2 + 355890^2 .

It is a cyclic number.

It is not a de Polignac number, because 344547795469 - 2²¹ = 344545698317 is a prime.

It is a super-2 number, since 2×344547795469² (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 (344547795463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172273897734 + 172273897735.

It is an arithmetic number, because the mean of its divisors is an integer number (172273897735).

Almost surely, 2^344547795469 is an apocalyptic number.

It is an amenable number.

344547795469 is a deficient number, since it is larger than the sum of its proper divisors (1).

344547795469 is an equidigital number, since it uses as much as digits as its factorization.

344547795469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 457228800, while the sum is 67.

The spelling of 344547795469 in words is "three hundred forty-four billion, five hundred forty-seven million, seven hundred ninety-five thousand, four hundred sixty-nine".