10553894209 has 8 divisors (see below), whose sum is σ = 10689830280. Its totient is φ = 10418343936.

The previous prime is 10553894179. The next prime is 10553894213. The reversal of 10553894209 is 90249835501.

It can be written as a sum of positive squares in 4 ways, for example, as 1728231184 + 8825663025 = 41572^2 + 93945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10553894209 - 2¹³ = 10553886017 is a prime.

It is a super-2 number, since 2×10553894209² (a number of 21 digits) contains 22 as substring.

It is a deceptive number, since it divides R_10553894208.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10553894269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41184 + ... + 151009.

It is an arithmetic number, because the mean of its divisors is an integer number (1336228785).

Almost surely, 2^10553894209 is an apocalyptic number.

10553894209 is the 54913-rd nonagonal number.

It is an amenable number.

10553894209 is a deficient number, since it is larger than the sum of its proper divisors (135936071).

10553894209 is an equidigital number, since it uses as much as digits as its factorization.

10553894209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192899.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 10553894209 in words is "ten billion, five hundred fifty-three million, eight hundred ninety-four thousand, two hundred nine".