10854097489 has 3 divisors (see below), whose sum is σ = 10854201673. Its totient is φ = 10853993306.

The previous prime is 10854097469. The next prime is 10854097517. The reversal of 10854097489 is 98479045801.

It is a happy number.

The square root of 10854097489 is 104183.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98479045801 = 28703 ⋅3430967.

It is not a de Polignac number, because 10854097489 - 2⁹ = 10854096977 is a prime.

It is a super-2 number, since 2×10854097489² (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 (10854097469) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 52092 + ... + 156274.

Almost surely, 2^10854097489 is an apocalyptic number.

10854097489 is the 104183-rd square number.

10854097489 is the 52092-nd centered octagonal number.

It is an amenable number.

10854097489 is a deficient number, since it is larger than the sum of its proper divisors (104184).

10854097489 is an frugal number, since it uses more digits than its factorization.

10854097489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208366 (or 104183 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 10854097489 in words is "ten billion, eight hundred fifty-four million, ninety-seven thousand, four hundred eighty-nine".