10897323643 has 4 divisors (see below), whose sum is σ = 10899067648. Its totient is φ = 10895579640.

The previous prime is 10897323641. The next prime is 10897323713. The reversal of 10897323643 is 34632379801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34632379801 = 449 ⋅77132249.

It is a cyclic number.

It is not a de Polignac number, because 10897323643 - 2¹ = 10897323641 is a prime.

It is a super-3 number, since 3×10897323643³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10897323593 and 10897323602.

It is not an unprimeable number, because it can be changed into a prime (10897323641) 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, 862596 + ... + 875137.

It is an arithmetic number, because the mean of its divisors is an integer number (2724766912).

Almost surely, 2^10897323643 is an apocalyptic number.

10897323643 is a deficient number, since it is larger than the sum of its proper divisors (1744005).

10897323643 is an equidigital number, since it uses as much as digits as its factorization.

10897323643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744004.

The product of its (nonzero) digits is 653184, while the sum is 46.

The spelling of 10897323643 in words is "ten billion, eight hundred ninety-seven million, three hundred twenty-three thousand, six hundred forty-three".