5491906327 has 16 divisors (see below), whose sum is σ = 5593601664. Its totient is φ = 5391360000.

The previous prime is 5491906297. The next prime is 5491906331. The reversal of 5491906327 is 7236091945.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5491906327 - 2¹⁵ = 5491873559 is a prime.

It is a super-2 number, since 2×5491906327² = 60322070209085261858, which contains 22 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 (5491906367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10540827 + ... + 10541347.

It is an arithmetic number, because the mean of its divisors is an integer number (349600104).

Almost surely, 2^5491906327 is an apocalyptic number.

5491906327 is a deficient number, since it is larger than the sum of its proper divisors (101695337).

5491906327 is a wasteful number, since it uses less digits than its factorization.

5491906327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 5491906327 is about 74107.3972488577. The cubic root of 5491906327 is about 1764.3078794055.

The spelling of 5491906327 in words is "five billion, four hundred ninety-one million, nine hundred six thousand, three hundred twenty-seven".