10403904216909 has 32 divisors (see below), whose sum is σ = 16353770489856. Its totient is φ = 5758927986240.

The previous prime is 10403904216889. The next prime is 10403904216911. The reversal of 10403904216909 is 90961240930401.

It is a happy number.

It is not a de Polignac number, because 10403904216909 - 2⁹ = 10403904216397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10403904216989) 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, 29316657 + ... + 29669414.

It is an arithmetic number, because the mean of its divisors is an integer number (511055327808).

Almost surely, 2^{10403904216909} is an apocalyptic number.

It is an amenable number.

10403904216909 is a deficient number, since it is larger than the sum of its proper divisors (5949866272947).

10403904216909 is a wasteful number, since it uses less digits than its factorization.

10403904216909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58986345.

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 10403904216909 in words is "ten trillion, four hundred three billion, nine hundred four million, two hundred sixteen thousand, nine hundred nine".