10921232453 has 4 divisors (see below), whose sum is σ = 11043943020. Its totient is φ = 10798521888.

The previous prime is 10921232447. The next prime is 10921232473. The reversal of 10921232453 is 35423212901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2527374529 + 8393857924 = 50273^2 + 91618^2 .

It is a cyclic number.

It is not a de Polignac number, because 10921232453 - 2²⁰ = 10920183877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10921232473) 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, 61355150 + ... + 61355327.

It is an arithmetic number, because the mean of its divisors is an integer number (2760985755).

Almost surely, 2^10921232453 is an apocalyptic number.

It is an amenable number.

10921232453 is a deficient number, since it is larger than the sum of its proper divisors (122710567).

10921232453 is an equidigital number, since it uses as much as digits as its factorization.

10921232453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122710566.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 10921232453 in words is "ten billion, nine hundred twenty-one million, two hundred thirty-two thousand, four hundred fifty-three".