5491908994 has 32 divisors (see below), whose sum is σ = 9683343936. Its totient is φ = 2303037120.

The previous prime is 5491908967. The next prime is 5491909009. The reversal of 5491908994 is 4998091945.

It is a happy number.

It is a super-2 number, since 2×5491908994² = 60322128796756184072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 670029 + ... + 678175.

It is an arithmetic number, because the mean of its divisors is an integer number (302604498).

Almost surely, 2^5491908994 is an apocalyptic number.

5491908994 is a deficient number, since it is larger than the sum of its proper divisors (4191434942).

5491908994 is a wasteful number, since it uses less digits than its factorization.

5491908994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530.

The product of its (nonzero) digits is 4199040, while the sum is 58.

The square root of 5491908994 is about 74107.4152430106. The cubic root of 5491908994 is about 1764.3081650020.

The spelling of 5491908994 in words is "five billion, four hundred ninety-one million, nine hundred eight thousand, nine hundred ninety-four".