340446517471 has 2 divisors, whose sum is σ = 340446517472. Its totient is φ = 340446517470.

The previous prime is 340446517469. The next prime is 340446517507. The reversal of 340446517471 is 174715644043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340446517471 - 2¹ = 340446517469 is a prime.

It is a super-3 number, since 3×340446517471³ (a number of 36 digits) contains 333 as substring.

Together with 340446517469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (347446517471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170223258735 + 170223258736.

It is an arithmetic number, because the mean of its divisors is an integer number (170223258736).

Almost surely, 2^340446517471 is an apocalyptic number.

340446517471 is a deficient number, since it is larger than the sum of its proper divisors (1).

340446517471 is an equidigital number, since it uses as much as digits as its factorization.

340446517471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 340446517471 in words is "three hundred forty billion, four hundred forty-six million, five hundred seventeen thousand, four hundred seventy-one".