5491293287 has 8 divisors (see below), whose sum is σ = 5555031216. Its totient is φ = 5427700992.

The previous prime is 5491293277. The next prime is 5491293299. The reversal of 5491293287 is 7823921945.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5491293287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491293257) 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 7 ways as a sum of consecutive naturals, for example, 40373 + ... + 112305.

It is an arithmetic number, because the mean of its divisors is an integer number (694378902).

Almost surely, 2^5491293287 is an apocalyptic number.

5491293287 is a deficient number, since it is larger than the sum of its proper divisors (63737929).

5491293287 is an equidigital number, since it uses as much as digits as its factorization.

5491293287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72817.

The product of its digits is 1088640, while the sum is 50.

The square root of 5491293287 is about 74103.2609741299. The cubic root of 5491293287 is about 1764.2422293692.

The spelling of 5491293287 in words is "five billion, four hundred ninety-one million, two hundred ninety-three thousand, two hundred eighty-seven".