5403609991 has 16 divisors (see below), whose sum is σ = 6087614400. Its totient is φ = 4761808128.

The previous prime is 5403609979. The next prime is 5403610001. The reversal of 5403609991 is 1999063045.

It is a cyclic number.

It is not a de Polignac number, because 5403609991 - 2²⁹ = 4866739079 is a prime.

It is a super-3 number, since 3×5403609991³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5403609971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46971 + ... + 114076.

It is an arithmetic number, because the mean of its divisors is an integer number (380475900).

Almost surely, 2^5403609991 is an apocalyptic number.

5403609991 is a deficient number, since it is larger than the sum of its proper divisors (684004409).

5403609991 is a wasteful number, since it uses less digits than its factorization.

5403609991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161178.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 5403609991 is about 73509.2510572649. The cubic root of 5403609991 is about 1754.8015068676.

The spelling of 5403609991 in words is "five billion, four hundred three million, six hundred nine thousand, nine hundred ninety-one".