10209243266 has 32 divisors (see below), whose sum is σ = 16393753728. Its totient is φ = 4756752000.

The previous prime is 10209243263. The next prime is 10209243313. The reversal of 10209243266 is 66234290201.

It is a super-4 number, since 4×10209243266⁴ (a number of 41 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (10209243263) 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, 778766 + ... + 791766.

It is an arithmetic number, because the mean of its divisors is an integer number (512304804).

Almost surely, 2^10209243266 is an apocalyptic number.

10209243266 is a deficient number, since it is larger than the sum of its proper divisors (6184510462).

10209243266 is a wasteful number, since it uses less digits than its factorization.

10209243266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13466.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 10209243266 in words is "ten billion, two hundred nine million, two hundred forty-three thousand, two hundred sixty-six".