340394897341 has 4 divisors (see below), whose sum is σ = 340396073500. Its totient is φ = 340393721184.

The previous prime is 340394897299. The next prime is 340394897371. The reversal of 340394897341 is 143798493043.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 143798493043 = 43 ⋅3344151001.

It can be written as a sum of positive squares in 2 ways, for example, as 135597015225 + 204797882116 = 368235^2 + 452546^2 .

It is a cyclic number.

It is not a de Polignac number, because 340394897341 - 2¹⁵ = 340394864573 is a prime.

It is a super-2 number, since 2×340394897341² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340394897371) 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, 183385 + ... + 845233.

It is an arithmetic number, because the mean of its divisors is an integer number (85099018375).

Almost surely, 2^340394897341 is an apocalyptic number.

It is an amenable number.

340394897341 is a deficient number, since it is larger than the sum of its proper divisors (1176159).

340394897341 is an equidigital number, since it uses as much as digits as its factorization.

340394897341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176158.

The product of its (nonzero) digits is 7838208, while the sum is 55.

The spelling of 340394897341 in words is "three hundred forty billion, three hundred ninety-four million, eight hundred ninety-seven thousand, three hundred forty-one".