10553454691 has 4 divisors (see below), whose sum is σ = 11365258912. Its totient is φ = 9741650472.

The previous prime is 10553454689. The next prime is 10553454721. The reversal of 10553454691 is 19645435501.

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

It is a cyclic number.

It is not a de Polignac number, because 10553454691 - 2¹ = 10553454689 is a prime.

It is a super-2 number, since 2×10553454691² (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 (10553454661) 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, 405902091 + ... + 405902116.

It is an arithmetic number, because the mean of its divisors is an integer number (2841314728).

Almost surely, 2^10553454691 is an apocalyptic number.

10553454691 is a deficient number, since it is larger than the sum of its proper divisors (811804221).

10553454691 is an equidigital number, since it uses as much as digits as its factorization.

10553454691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811804220.

The product of its (nonzero) digits is 324000, while the sum is 43.

The spelling of 10553454691 in words is "ten billion, five hundred fifty-three million, four hundred fifty-four thousand, six hundred ninety-one".