2471138291 has 2 divisors, whose sum is σ = 2471138292. Its totient is φ = 2471138290.

The previous prime is 2471138273. The next prime is 2471138321. The reversal of 2471138291 is 1928311742.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2471138291 - 2²² = 2466943987 is a prime.

It is a super-2 number, since 2×2471138291² = 12213048906492801362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2471138221) 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, 1235569145 + 1235569146.

It is an arithmetic number, because the mean of its divisors is an integer number (1235569146).

Almost surely, 2^2471138291 is an apocalyptic number.

2471138291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471138291 is an equidigital number, since it uses as much as digits as its factorization.

2471138291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 2471138291 is about 49710.5450684259. The cubic root of 2471138291 is about 1351.9657309204.

The spelling of 2471138291 in words is "two billion, four hundred seventy-one million, one hundred thirty-eight thousand, two hundred ninety-one".