10543636651 has 4 divisors (see below), whose sum is σ = 10556204400. Its totient is φ = 10531068904.

The previous prime is 10543636643. The next prime is 10543636669. The reversal of 10543636651 is 15663634501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10543636651 - 2³ = 10543636643 is a prime.

It is a super-2 number, since 2×10543636651² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10543636151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6282616 + ... + 6284293.

It is an arithmetic number, because the mean of its divisors is an integer number (2639051100).

Almost surely, 2^10543636651 is an apocalyptic number.

10543636651 is a deficient number, since it is larger than the sum of its proper divisors (12567749).

10543636651 is an equidigital number, since it uses as much as digits as its factorization.

10543636651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12567748.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 10543636651 in words is "ten billion, five hundred forty-three million, six hundred thirty-six thousand, six hundred fifty-one".