10553421349 has 4 divisors (see below), whose sum is σ = 10917332460. Its totient is φ = 10189510240.

The previous prime is 10553421343. The next prime is 10553421397. The reversal of 10553421349 is 94312435501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94312435501 = 13877 ⋅6796313.

It can be written as a sum of positive squares in 2 ways, for example, as 5855004324 + 4698417025 = 76518^2 + 68545^2 .

It is a cyclic number.

It is not a de Polignac number, because 10553421349 - 2³ = 10553421341 is a prime.

It is a super-2 number, since 2×10553421349² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10553421341) 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, 181955512 + ... + 181955569.

It is an arithmetic number, because the mean of its divisors is an integer number (2729333115).

Almost surely, 2^10553421349 is an apocalyptic number.

It is an amenable number.

10553421349 is a deficient number, since it is larger than the sum of its proper divisors (363911111).

10553421349 is an equidigital number, since it uses as much as digits as its factorization.

10553421349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363911110.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 10553421349 in words is "ten billion, five hundred fifty-three million, four hundred twenty-one thousand, three hundred forty-nine".