340435578504479 has 2 divisors, whose sum is σ = 340435578504480. Its totient is φ = 340435578504478.

The previous prime is 340435578504443. The next prime is 340435578504481. The reversal of 340435578504479 is 974405875534043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340435578504479 - 2³⁶ = 340366859027743 is a prime.

It is a super-2 number, since 2×340435578504479² (a number of 30 digits) contains 22 as substring.

Together with 340435578504481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340435578503479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170217789252239 + 170217789252240.

It is an arithmetic number, because the mean of its divisors is an integer number (170217789252240).

Almost surely, 2^{340435578504479} is an apocalyptic number.

340435578504479 is a deficient number, since it is larger than the sum of its proper divisors (1).

340435578504479 is an equidigital number, since it uses as much as digits as its factorization.

340435578504479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064000, while the sum is 68.

The spelling of 340435578504479 in words is "three hundred forty trillion, four hundred thirty-five billion, five hundred seventy-eight million, five hundred four thousand, four hundred seventy-nine".