10643104242457 has 2 divisors, whose sum is σ = 10643104242458. Its totient is φ = 10643104242456.

The previous prime is 10643104242409. The next prime is 10643104242499. The reversal of 10643104242457 is 75424240134601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10259651018761 + 383453223696 = 3203069^2 + 619236^2 .

It is a cyclic number.

It is not a de Polignac number, because 10643104242457 - 2²³ = 10643095853849 is a prime.

It is a super-2 number, since 2×10643104242457² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10643104249457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321552121228 + 5321552121229.

It is an arithmetic number, because the mean of its divisors is an integer number (5321552121229).

Almost surely, 2^{10643104242457} is an apocalyptic number.

It is an amenable number.

10643104242457 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643104242457 is an equidigital number, since it uses as much as digits as its factorization.

10643104242457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 10643104242457 in words is "ten trillion, six hundred forty-three billion, one hundred four million, two hundred forty-two thousand, four hundred fifty-seven".