1880345335243 has 2 divisors, whose sum is σ = 1880345335244. Its totient is φ = 1880345335242.

The previous prime is 1880345335177. The next prime is 1880345335279. The reversal of 1880345335243 is 3425335430881.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1880345335243 - 2⁹ = 1880345334731 is a prime.

It is a super-2 number, since 2×1880345335243² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1880345335283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 940172667621 + 940172667622.

It is an arithmetic number, because the mean of its divisors is an integer number (940172667622).

Almost surely, 2^{1880345335243} is an apocalyptic number.

1880345335243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1880345335243 is an equidigital number, since it uses as much as digits as its factorization.

1880345335243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 1880345335243 in words is "one trillion, eight hundred eighty billion, three hundred forty-five million, three hundred thirty-five thousand, two hundred forty-three".