4912621871 has 2 divisors, whose sum is σ = 4912621872. Its totient is φ = 4912621870.

The previous prime is 4912621849. The next prime is 4912621891. The reversal of 4912621871 is 1781262194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4912621871 - 2¹⁰ = 4912620847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4912621811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2456310935 + 2456310936.

It is an arithmetic number, because the mean of its divisors is an integer number (2456310936).

Almost surely, 2^4912621871 is an apocalyptic number.

4912621871 is a deficient number, since it is larger than the sum of its proper divisors (1).

4912621871 is an equidigital number, since it uses as much as digits as its factorization.

4912621871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 4912621871 is about 70090.0982379109. The cubic root of 4912621871 is about 1699.9563853862.

The spelling of 4912621871 in words is "four billion, nine hundred twelve million, six hundred twenty-one thousand, eight hundred seventy-one".