10729919449 has 2 divisors, whose sum is σ = 10729919450. Its totient is φ = 10729919448.

The previous prime is 10729919443. The next prime is 10729919503. The reversal of 10729919449 is 94491992701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5482365849 + 5247553600 = 74043^2 + 72440^2 .

It is an emirp because it is prime and its reverse (94491992701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10729919449 - 2²¹ = 10727822297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10729919449.

It is not a weakly prime, because it can be changed into another prime (10729919443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5364959724 + 5364959725.

It is an arithmetic number, because the mean of its divisors is an integer number (5364959725).

Almost surely, 2^10729919449 is an apocalyptic number.

It is an amenable number.

10729919449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10729919449 is an equidigital number, since it uses as much as digits as its factorization.

10729919449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 55.

The spelling of 10729919449 in words is "ten billion, seven hundred twenty-nine million, nine hundred nineteen thousand, four hundred forty-nine".