10451046421 has 2 divisors, whose sum is σ = 10451046422. Its totient is φ = 10451046420.

The previous prime is 10451046391. The next prime is 10451046443. The reversal of 10451046421 is 12464015401.

10451046421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10295146225 + 155900196 = 101465^2 + 12486^2 .

It is a cyclic number.

It is not a de Polignac number, because 10451046421 - 2⁹ = 10451045909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10451046421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10451046451) 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, 5225523210 + 5225523211.

It is an arithmetic number, because the mean of its divisors is an integer number (5225523211).

Almost surely, 2^10451046421 is an apocalyptic number.

It is an amenable number.

10451046421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10451046421 is an equidigital number, since it uses as much as digits as its factorization.

10451046421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 10451046421 in words is "ten billion, four hundred fifty-one million, forty-six thousand, four hundred twenty-one".