10409399885 has 8 divisors (see below), whose sum is σ = 12500874240. Its totient is φ = 8321123664.

The previous prime is 10409399857. The next prime is 10409399893. The reversal of 10409399885 is 58899390401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10409399885 - 2¹⁰ = 10409398861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10409399885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 792365 + ... + 805394.

It is an arithmetic number, because the mean of its divisors is an integer number (1562609280).

Almost surely, 2^10409399885 is an apocalyptic number.

It is an amenable number.

10409399885 is a deficient number, since it is larger than the sum of its proper divisors (2091474355).

10409399885 is a wasteful number, since it uses less digits than its factorization.

10409399885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599067.

The product of its (nonzero) digits is 2799360, while the sum is 56.

The spelling of 10409399885 in words is "ten billion, four hundred nine million, three hundred ninety-nine thousand, eight hundred eighty-five".