10209514809 has 32 divisors (see below), whose sum is σ = 14839761664. Its totient is φ = 6205973760.

The previous prime is 10209514789. The next prime is 10209514813. The reversal of 10209514809 is 90841590201.

It is not a de Polignac number, because 10209514809 - 2⁷ = 10209514681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10209514879) 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, 1688139 + ... + 1694175.

It is an arithmetic number, because the mean of its divisors is an integer number (463742552).

Almost surely, 2^10209514809 is an apocalyptic number.

It is an amenable number.

10209514809 is a deficient number, since it is larger than the sum of its proper divisors (4630246855).

10209514809 is a wasteful number, since it uses less digits than its factorization.

10209514809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577.

The product of its (nonzero) digits is 25920, while the sum is 39.

The spelling of 10209514809 in words is "ten billion, two hundred nine million, five hundred fourteen thousand, eight hundred nine".