5490591131 has 2 divisors, whose sum is σ = 5490591132. Its totient is φ = 5490591130.

The previous prime is 5490591103. The next prime is 5490591157. The reversal of 5490591131 is 1311950945.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5490591131 is a prime.

It is a super-2 number, since 2×5490591131² = 60293181935631718322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5490591191) 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, 2745295565 + 2745295566.

It is an arithmetic number, because the mean of its divisors is an integer number (2745295566).

Almost surely, 2^5490591131 is an apocalyptic number.

5490591131 is a deficient number, since it is larger than the sum of its proper divisors (1).

5490591131 is an equidigital number, since it uses as much as digits as its factorization.

5490591131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 38.

The square root of 5490591131 is about 74098.5231364296. The cubic root of 5490591131 is about 1764.1670299577.

The spelling of 5490591131 in words is "five billion, four hundred ninety million, five hundred ninety-one thousand, one hundred thirty-one".