10396699421 has 2 divisors, whose sum is σ = 10396699422. Its totient is φ = 10396699420.

The previous prime is 10396699409. The next prime is 10396699451. The reversal of 10396699421 is 12499669301.

10396699421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10132636921 + 264062500 = 100661^2 + 16250^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10396699421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10396699421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10396699451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5198349710 + 5198349711.

It is an arithmetic number, because the mean of its divisors is an integer number (5198349711).

Almost surely, 2^10396699421 is an apocalyptic number.

It is an amenable number.

10396699421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10396699421 is an equidigital number, since it uses as much as digits as its factorization.

10396699421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 10396699421 in words is "ten billion, three hundred ninety-six million, six hundred ninety-nine thousand, four hundred twenty-one".