10643154209 has 32 divisors (see below), whose sum is σ = 11600832000. Its totient is φ = 9733561344.

The previous prime is 10643154191. The next prime is 10643154257. The reversal of 10643154209 is 90245134601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10643154209 is a prime.

It is a super-2 number, since 2×10643154209² (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 (10643154259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15011147 + ... + 15011855.

It is an arithmetic number, because the mean of its divisors is an integer number (362526000).

Almost surely, 2^10643154209 is an apocalyptic number.

10643154209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

10643154209 is a deficient number, since it is larger than the sum of its proper divisors (957677791).

10643154209 is a wasteful number, since it uses less digits than its factorization.

10643154209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 10643154209 in words is "ten billion, six hundred forty-three million, one hundred fifty-four thousand, two hundred nine".