340207517473 has 2 divisors, whose sum is σ = 340207517474. Its totient is φ = 340207517472.

The previous prime is 340207517411. The next prime is 340207517477. The reversal of 340207517473 is 374715702043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225769423104 + 114438094369 = 475152^2 + 338287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340207517473 is a prime.

It is a super-3 number, since 3×340207517473³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (340207517477) 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 as a sum of consecutive naturals, namely, 170103758736 + 170103758737.

It is an arithmetic number, because the mean of its divisors is an integer number (170103758737).

Almost surely, 2^340207517473 is an apocalyptic number.

It is an amenable number.

340207517473 is a deficient number, since it is larger than the sum of its proper divisors (1).

340207517473 is an equidigital number, since it uses as much as digits as its factorization.

340207517473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 340207517473 in words is "three hundred forty billion, two hundred seven million, five hundred seventeen thousand, four hundred seventy-three".