340446541081 has 2 divisors, whose sum is σ = 340446541082. Its totient is φ = 340446541080.

The previous prime is 340446541051. The next prime is 340446541109. The reversal of 340446541081 is 180145644043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 257353290000 + 83093251081 = 507300^2 + 288259^2 .

It is an emirp because it is prime and its reverse (180145644043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340446541081 - 2⁷ = 340446540953 is a prime.

It is a super-2 number, since 2×340446541081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (340446541051) 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, 170223270540 + 170223270541.

It is an arithmetic number, because the mean of its divisors is an integer number (170223270541).

Almost surely, 2^340446541081 is an apocalyptic number.

It is an amenable number.

340446541081 is a deficient number, since it is larger than the sum of its proper divisors (1).

340446541081 is an equidigital number, since it uses as much as digits as its factorization.

340446541081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 340446541081 in words is "three hundred forty billion, four hundred forty-six million, five hundred forty-one thousand, eighty-one".