10643255203454 has 4 divisors (see below), whose sum is σ = 15964882805184. Its totient is φ = 5321627601726.

The previous prime is 10643255203433. The next prime is 10643255203499. The reversal of 10643255203454 is 45430255234601.

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

It is a super-2 number, since 2×10643255203454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660813800862 + ... + 2660813800865.

It is an arithmetic number, because the mean of its divisors is an integer number (3991220701296).

Almost surely, 2^{10643255203454} is an apocalyptic number.

10643255203454 is a deficient number, since it is larger than the sum of its proper divisors (5321627601730).

10643255203454 is an equidigital number, since it uses as much as digits as its factorization.

10643255203454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321627601729.

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 10643255203454 in words is "ten trillion, six hundred forty-three billion, two hundred fifty-five million, two hundred three thousand, four hundred fifty-four".