10454404402421 has 16 divisors (see below), whose sum is σ = 12335183477760. Its totient is φ = 8670536490240.

The previous prime is 10454404402313. The next prime is 10454404402439. The reversal of 10454404402421 is 12420440445401.

It is a cyclic number.

It is not a de Polignac number, because 10454404402421 - 2¹⁸ = 10454404140277 is a prime.

It is a super-2 number, since 2×10454404402421² (a number of 27 digits) contains 22 as substring.

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 (10454404402451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2235326 + ... + 5089743.

It is an arithmetic number, because the mean of its divisors is an integer number (770948967360).

Almost surely, 2^{10454404402421} is an apocalyptic number.

It is an amenable number.

10454404402421 is a deficient number, since it is larger than the sum of its proper divisors (1880779075339).

10454404402421 is an equidigital number, since it uses as much as digits as its factorization.

10454404402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331684.

The product of its (nonzero) digits is 81920, while the sum is 35.

Adding to 10454404402421 its reverse (12420440445401), we get a palindrome (22874844847822).

The spelling of 10454404402421 in words is "ten trillion, four hundred fifty-four billion, four hundred four million, four hundred two thousand, four hundred twenty-one".