10840671349 has 2 divisors, whose sum is σ = 10840671350. Its totient is φ = 10840671348.

The previous prime is 10840671323. The next prime is 10840671371. The reversal of 10840671349 is 94317604801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7228060324 + 3612611025 = 85018^2 + 60105^2 .

It is a cyclic number.

It is not a de Polignac number, because 10840671349 - 2¹³ = 10840663157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10840671389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5420335674 + 5420335675.

It is an arithmetic number, because the mean of its divisors is an integer number (5420335675).

Almost surely, 2^10840671349 is an apocalyptic number.

It is an amenable number.

10840671349 is a deficient number, since it is larger than the sum of its proper divisors (1).

10840671349 is an equidigital number, since it uses as much as digits as its factorization.

10840671349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 10840671349 in words is "ten billion, eight hundred forty million, six hundred seventy-one thousand, three hundred forty-nine".