5409492166391 has 4 divisors (see below), whose sum is σ = 5459120535000. Its totient is φ = 5359863797784.

The previous prime is 5409492166327. The next prime is 5409492166427. The reversal of 5409492166391 is 1936612949045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5409492166391 - 2⁶ = 5409492166327 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5409492166391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5409492166321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24814184141 + ... + 24814184358.

It is an arithmetic number, because the mean of its divisors is an integer number (1364780133750).

Almost surely, 2^{5409492166391} is an apocalyptic number.

5409492166391 is a deficient number, since it is larger than the sum of its proper divisors (49628368609).

5409492166391 is a wasteful number, since it uses less digits than its factorization.

5409492166391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49628368608.

The product of its (nonzero) digits is 12597120, while the sum is 59.

The spelling of 5409492166391 in words is "five trillion, four hundred nine billion, four hundred ninety-two million, one hundred sixty-six thousand, three hundred ninety-one".