343867726199065 has 16 divisors (see below), whose sum is σ = 417464057718288. Its totient is φ = 271886728237056.

The previous prime is 343867726199057. The next prime is 343867726199071. The reversal of 343867726199065 is 560991627768343.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2217279744 + 343865508919321 = 47088^2 + 18543611^2 .

It is a cyclic number.

It is not a de Polignac number, because 343867726199065 - 2³ = 343867726199057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343867726198982 and 343867726199000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483277252 + ... + 483988261.

It is an arithmetic number, because the mean of its divisors is an integer number (26091503607393).

It is a 2-persistent number, because it is pandigital, and so is 2⋅343867726199065 = 687735452398130, but 3⋅343867726199065 = 1031603178597195 is not.

Almost surely, 2^{343867726199065} is an apocalyptic number.

It is an amenable number.

343867726199065 is a deficient number, since it is larger than the sum of its proper divisors (73596331519223).

343867726199065 is an equidigital number, since it uses as much as digits as its factorization.

343867726199065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967266348.

The product of its (nonzero) digits is 2469035520, while the sum is 76.

The spelling of 343867726199065 in words is "three hundred forty-three trillion, eight hundred sixty-seven billion, seven hundred twenty-six million, one hundred ninety-nine thousand, sixty-five".