10421768205 has 48 divisors (see below), whose sum is σ = 18786418560. Its totient is φ = 5542561728.

The previous prime is 10421768141. The next prime is 10421768219. The reversal of 10421768205 is 50286712401.

It is not a de Polignac number, because 10421768205 - 2⁶ = 10421768141 is a prime.

It is a super-2 number, since 2×10421768205² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10421768205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 424239 + ... + 448131.

It is an arithmetic number, because the mean of its divisors is an integer number (391383720).

Almost surely, 2^10421768205 is an apocalyptic number.

10421768205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10421768205 is a deficient number, since it is larger than the sum of its proper divisors (8364650355).

10421768205 is an equidigital number, since it uses as much as digits as its factorization.

10421768205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24272 (or 24260 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The spelling of 10421768205 in words is "ten billion, four hundred twenty-one million, seven hundred sixty-eight thousand, two hundred five".