340254659827 has 2 divisors, whose sum is σ = 340254659828. Its totient is φ = 340254659826.

The previous prime is 340254659821. The next prime is 340254659831. The reversal of 340254659827 is 728956452043.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (728956452043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340254659827 - 2¹⁵ = 340254627059 is a prime.

It is not a weakly prime, because it can be changed into another prime (340254659821) 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 as a sum of consecutive naturals, namely, 170127329913 + 170127329914.

It is an arithmetic number, because the mean of its divisors is an integer number (170127329914).

Almost surely, 2^340254659827 is an apocalyptic number.

340254659827 is a deficient number, since it is larger than the sum of its proper divisors (1).

340254659827 is an equidigital number, since it uses as much as digits as its factorization.

340254659827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14515200, while the sum is 55.

The spelling of 340254659827 in words is "three hundred forty billion, two hundred fifty-four million, six hundred fifty-nine thousand, eight hundred twenty-seven".