1050343211389 has 2 divisors, whose sum is σ = 1050343211390. Its totient is φ = 1050343211388.

The previous prime is 1050343211327. The next prime is 1050343211399. The reversal of 1050343211389 is 9831123430501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1033611788889 + 16731422500 = 1016667^2 + 129350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050343211389 - 2²⁷ = 1050208993661 is a prime.

It is a super-2 number, since 2×1050343211389² (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 (1050343211399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525171605694 + 525171605695.

It is an arithmetic number, because the mean of its divisors is an integer number (525171605695).

Almost surely, 2^{1050343211389} is an apocalyptic number.

It is an amenable number.

1050343211389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050343211389 is an equidigital number, since it uses as much as digits as its factorization.

1050343211389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 1050343211389 in words is "one trillion, fifty billion, three hundred forty-three million, two hundred eleven thousand, three hundred eighty-nine".