10954343569 has 27 divisors (see below), whose sum is σ = 12131492913. Its totient is φ = 9886885632.

The previous prime is 10954343563. The next prime is 10954343579. The reversal of 10954343569 is 96534345901.

The square root of 10954343569 is 104663.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2001399169 + 8952944400 = 44737^2 + 94620^2 .

It is not a de Polignac number, because 10954343569 - 2⁵ = 10954343537 is a prime.

It is a super-2 number, since 2×10954343569² (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 (10954343563) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 112931329 + ... + 112931425.

Almost surely, 2^10954343569 is an apocalyptic number.

10954343569 is the 104663-rd square number.

10954343569 is the 52332-nd centered octagonal number.

It is an amenable number.

10954343569 is a deficient number, since it is larger than the sum of its proper divisors (1177149344).

10954343569 is an frugal number, since it uses more digits than its factorization.

10954343569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 49.

Multiplying 10954343569 by its sum of digits (49), we get a square (536762834881 = 732641²).

The spelling of 10954343569 in words is "ten billion, nine hundred fifty-four million, three hundred forty-three thousand, five hundred sixty-nine".