10326645457 has 2 divisors, whose sum is σ = 10326645458. Its totient is φ = 10326645456.

The previous prime is 10326645443. The next prime is 10326645473. The reversal of 10326645457 is 75454662301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6223474321 + 4103171136 = 78889^2 + 64056^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10326645457 is a prime.

It is not a weakly prime, because it can be changed into another prime (10326645437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5163322728 + 5163322729.

It is an arithmetic number, because the mean of its divisors is an integer number (5163322729).

Almost surely, 2^10326645457 is an apocalyptic number.

It is an amenable number.

10326645457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10326645457 is an equidigital number, since it uses as much as digits as its factorization.

10326645457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 10326645457 in words is "ten billion, three hundred twenty-six million, six hundred forty-five thousand, four hundred fifty-seven".