346966696657 has 6 divisors (see below), whose sum is σ = 403614320658. Its totient is φ = 297400025664.

The previous prime is 346966696607. The next prime is 346966696663. The reversal of 346966696657 is 756696669643.

It can be written as a sum of positive squares in only one way, i.e., 333287990721 + 13678705936 = 577311^2 + 116956^2 .

It is not a de Polignac number, because 346966696657 - 2¹⁹ = 346966172369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 346966696657.

It is not an unprimeable number, because it can be changed into a prime (346966696607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3540476448 + ... + 3540476545.

It is an arithmetic number, because the mean of its divisors is an integer number (67269053443).

Almost surely, 2^346966696657 is an apocalyptic number.

It is an amenable number.

346966696657 is a deficient number, since it is larger than the sum of its proper divisors (56647624001).

346966696657 is an equidigital number, since it uses as much as digits as its factorization.

346966696657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7080953007 (or 7080953000 counting only the distinct ones).

The product of its digits is 1587237120, while the sum is 73.

The spelling of 346966696657 in words is "three hundred forty-six billion, nine hundred sixty-six million, six hundred ninety-six thousand, six hundred fifty-seven".