2491814471 has 2 divisors, whose sum is σ = 2491814472. Its totient is φ = 2491814470.

The previous prime is 2491814467. The next prime is 2491814513. The reversal of 2491814471 is 1744181942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2491814471 - 2² = 2491814467 is a prime.

It is a super-3 number, since 3×2491814471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2491814461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1245907235 + 1245907236.

It is an arithmetic number, because the mean of its divisors is an integer number (1245907236).

Almost surely, 2^2491814471 is an apocalyptic number.

2491814471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2491814471 is an equidigital number, since it uses as much as digits as its factorization.

2491814471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 2491814471 is about 49918.0775971992. The cubic root of 2491814471 is about 1355.7259257530.

The spelling of 2491814471 in words is "two billion, four hundred ninety-one million, eight hundred fourteen thousand, four hundred seventy-one".