340333051657 has 4 divisors (see below), whose sum is σ = 341342942356. Its totient is φ = 339323160960.

The previous prime is 340333051651. The next prime is 340333051661. The reversal of 340333051657 is 756150333043.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 756150333043 = 7 ⋅108021476149.

It can be written as a sum of positive squares in 2 ways, for example, as 56522209536 + 283810842121 = 237744^2 + 532739^2 .

It is a cyclic number.

It is not a de Polignac number, because 340333051657 - 2³¹ = 338185568009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340333051651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504944844 + ... + 504945517.

It is an arithmetic number, because the mean of its divisors is an integer number (85335735589).

Almost surely, 2^340333051657 is an apocalyptic number.

It is an amenable number.

340333051657 is a deficient number, since it is larger than the sum of its proper divisors (1009890699).

340333051657 is a wasteful number, since it uses less digits than its factorization.

340333051657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009890698.

The product of its (nonzero) digits is 340200, while the sum is 40.

The spelling of 340333051657 in words is "three hundred forty billion, three hundred thirty-three million, fifty-one thousand, six hundred fifty-seven".