340156065634543 has 2 divisors, whose sum is σ = 340156065634544. Its totient is φ = 340156065634542.

The previous prime is 340156065634487. The next prime is 340156065634547. The reversal of 340156065634543 is 345436560651043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340156065634543 - 2²¹ = 340156063537391 is a prime.

It is a super-2 number, since 2×340156065634543² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340156065634547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170078032817271 + 170078032817272.

It is an arithmetic number, because the mean of its divisors is an integer number (170078032817272).

Almost surely, 2^{340156065634543} is an apocalyptic number.

340156065634543 is a deficient number, since it is larger than the sum of its proper divisors (1).

340156065634543 is an equidigital number, since it uses as much as digits as its factorization.

340156065634543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656000, while the sum is 55.

The spelling of 340156065634543 in words is "three hundred forty trillion, one hundred fifty-six billion, sixty-five million, six hundred thirty-four thousand, five hundred forty-three".