343487390401 has 4 divisors (see below), whose sum is σ = 343494597204. Its totient is φ = 343480183600.

The previous prime is 343487390317. The next prime is 343487390437. The reversal of 343487390401 is 104093784343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104093784343 = 47 ⋅2214761369.

It can be written as a sum of positive squares in 2 ways, for example, as 68004122176 + 275483268225 = 260776^2 + 524865^2 .

It is a cyclic number.

It is not a de Polignac number, because 343487390401 - 2¹⁹ = 343486866113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (343487390461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3531430 + ... + 3627391.

It is an arithmetic number, because the mean of its divisors is an integer number (85873649301).

Almost surely, 2^343487390401 is an apocalyptic number.

It is an amenable number.

343487390401 is a deficient number, since it is larger than the sum of its proper divisors (7206803).

343487390401 is an equidigital number, since it uses as much as digits as its factorization.

343487390401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7206802.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 343487390401 in words is "three hundred forty-three billion, four hundred eighty-seven million, three hundred ninety thousand, four hundred one".