2140082291909 has 2 divisors, whose sum is σ = 2140082291910. Its totient is φ = 2140082291908.

The previous prime is 2140082291869. The next prime is 2140082291947. The reversal of 2140082291909 is 9091922800412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1743060062500 + 397022229409 = 1320250^2 + 630097^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140082291909 - 2²⁴ = 2140065514693 is a prime.

It is a super-2 number, since 2×2140082291909² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140082291969) 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, 1070041145954 + 1070041145955.

It is an arithmetic number, because the mean of its divisors is an integer number (1070041145955).

Almost surely, 2^{2140082291909} is an apocalyptic number.

It is an amenable number.

2140082291909 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140082291909 is an equidigital number, since it uses as much as digits as its factorization.

2140082291909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 2140082291909 in words is "two trillion, one hundred forty billion, eighty-two million, two hundred ninety-one thousand, nine hundred nine".