340129422049 has 4 divisors (see below), whose sum is σ = 341484519600. Its totient is φ = 338774324500.

The previous prime is 340129422047. The next prime is 340129422053. The reversal of 340129422049 is 940224921043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340129422049 - 2¹ = 340129422047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340129422041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 677548399 + ... + 677548900.

It is an arithmetic number, because the mean of its divisors is an integer number (85371129900).

Almost surely, 2^340129422049 is an apocalyptic number.

It is an amenable number.

340129422049 is a deficient number, since it is larger than the sum of its proper divisors (1355097551).

340129422049 is a wasteful number, since it uses less digits than its factorization.

340129422049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355097550.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 340129422049 in words is "three hundred forty billion, one hundred twenty-nine million, four hundred twenty-two thousand, forty-nine".