10143420349 has 2 divisors, whose sum is σ = 10143420350. Its totient is φ = 10143420348.

The previous prime is 10143420323. The next prime is 10143420367. The reversal of 10143420349 is 94302434101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6896472025 + 3246948324 = 83045^2 + 56982^2 .

It is an emirp because it is prime and its reverse (94302434101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10143420349 - 2³¹ = 7995936701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10143420349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10143420649) 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, 5071710174 + 5071710175.

It is an arithmetic number, because the mean of its divisors is an integer number (5071710175).

Almost surely, 2^10143420349 is an apocalyptic number.

It is an amenable number.

10143420349 is a deficient number, since it is larger than the sum of its proper divisors (1).

10143420349 is an equidigital number, since it uses as much as digits as its factorization.

10143420349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 10143420349 in words is "ten billion, one hundred forty-three million, four hundred twenty thousand, three hundred forty-nine".