10643654775539 has 2 divisors, whose sum is σ = 10643654775540. Its totient is φ = 10643654775538.

The previous prime is 10643654775527. The next prime is 10643654775553. The reversal of 10643654775539 is 93557745634601.

10643654775539 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 is a cyclic number.

It is not a de Polignac number, because 10643654775539 - 2²⁰ = 10643653726963 is a prime.

It is a super-2 number, since 2×10643654775539² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10643654775239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321827387769 + 5321827387770.

It is an arithmetic number, because the mean of its divisors is an integer number (5321827387770).

Almost surely, 2^{10643654775539} is an apocalyptic number.

10643654775539 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643654775539 is an equidigital number, since it uses as much as digits as its factorization.

10643654775539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 285768000, while the sum is 65.

The spelling of 10643654775539 in words is "ten trillion, six hundred forty-three billion, six hundred fifty-four million, seven hundred seventy-five thousand, five hundred thirty-nine".