10209427871 has 32 divisors (see below), whose sum is σ = 11183290560. Its totient is φ = 9287156736.

The previous prime is 10209427867. The next prime is 10209427903. The reversal of 10209427871 is 17872490201.

It is a cyclic number.

It is not a de Polignac number, because 10209427871 - 2² = 10209427867 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10209427171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25716245 + ... + 25716641.

It is an arithmetic number, because the mean of its divisors is an integer number (349477830).

Almost surely, 2^10209427871 is an apocalyptic number.

10209427871 is a deficient number, since it is larger than the sum of its proper divisors (973862689).

10209427871 is a wasteful number, since it uses less digits than its factorization.

10209427871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 10209427871 in words is "ten billion, two hundred nine million, four hundred twenty-seven thousand, eight hundred seventy-one".