10763821421 has 2 divisors, whose sum is σ = 10763821422. Its totient is φ = 10763821420.

The previous prime is 10763821403. The next prime is 10763821469. The reversal of 10763821421 is 12412836701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9103258921 + 1660562500 = 95411^2 + 40750^2 .

It is a cyclic number.

It is not a de Polignac number, because 10763821421 - 2¹⁸ = 10763559277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10763821921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5381910710 + 5381910711.

It is an arithmetic number, because the mean of its divisors is an integer number (5381910711).

Almost surely, 2^10763821421 is an apocalyptic number.

It is an amenable number.

10763821421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10763821421 is an equidigital number, since it uses as much as digits as its factorization.

10763821421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 10763821421 in words is "ten billion, seven hundred sixty-three million, eight hundred twenty-one thousand, four hundred twenty-one".