5491653907 has 4 divisors (see below), whose sum is σ = 5492524680. Its totient is φ = 5490783136.

The previous prime is 5491653901. The next prime is 5491653917. The reversal of 5491653907 is 7093561945.

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 5491653907 - 2³ = 5491653899 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5491653901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425857 + ... + 438562.

It is an arithmetic number, because the mean of its divisors is an integer number (1373131170).

Almost surely, 2^5491653907 is an apocalyptic number.

5491653907 is a deficient number, since it is larger than the sum of its proper divisors (870773).

5491653907 is an equidigital number, since it uses as much as digits as its factorization.

5491653907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870772.

The product of its (nonzero) digits is 1020600, while the sum is 49.

The square root of 5491653907 is about 74105.6941604355. The cubic root of 5491653907 is about 1764.2808485112.

The spelling of 5491653907 in words is "five billion, four hundred ninety-one million, six hundred fifty-three thousand, nine hundred seven".