5409999999999 has 12 divisors (see below), whose sum is σ = 8930793650896. Its totient is φ = 3091428571392.

The previous prime is 5409999999979. The next prime is 5410000000021. The reversal of 5409999999999 is 9999999999045.

It is not a de Polignac number, because 5409999999999 - 2¹⁵ = 5409999967231 is a prime.

It is a super-9 number, since 9×5409999999999⁹ (a number of 116 digits) contains 999999999 as substring.

It is a Duffinian number.

5409999999999 is a modest number, since divided by 9999999 gives 540999 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5409999999979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42936507874 + ... + 42936507999.

Almost surely, 2^{5409999999999} is an apocalyptic number.

5409999999999 is a deficient number, since it is larger than the sum of its proper divisors (3520793650897).

5409999999999 is a wasteful number, since it uses less digits than its factorization.

5409999999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85873015886 (or 85873015883 counting only the distinct ones).

The product of its (nonzero) digits is 69735688020, while the sum is 99.

The spelling of 5409999999999 in words is "five trillion, four hundred nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".