5491498127 has 2 divisors, whose sum is σ = 5491498128. Its totient is φ = 5491498126.

The previous prime is 5491498093. The next prime is 5491498141. The reversal of 5491498127 is 7218941945.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5491498127 - 2¹⁸ = 5491235983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5491098127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2745749063 + 2745749064.

It is an arithmetic number, because the mean of its divisors is an integer number (2745749064).

Almost surely, 2^5491498127 is an apocalyptic number.

5491498127 is a deficient number, since it is larger than the sum of its proper divisors (1).

5491498127 is an equidigital number, since it uses as much as digits as its factorization.

5491498127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 50.

The square root of 5491498127 is about 74104.6430866515. The cubic root of 5491498127 is about 1764.2641660889.

The spelling of 5491498127 in words is "five billion, four hundred ninety-one million, four hundred ninety-eight thousand, one hundred twenty-seven".