6240999971 has 2 divisors, whose sum is σ = 6240999972. Its totient is φ = 6240999970.

The previous prime is 6240999953. The next prime is 6241000019. The reversal of 6240999971 is 1799990426.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6240999971 - 2¹⁴ = 6240983587 is a prime.

It is not a weakly prime, because it can be changed into another prime (6240999371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120499985 + 3120499986.

It is an arithmetic number, because the mean of its divisors is an integer number (3120499986).

Almost surely, 2^6240999971 is an apocalyptic number.

6240999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

6240999971 is an equidigital number, since it uses as much as digits as its factorization.

6240999971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 56.

The square root of 6240999971 is about 78999.9998164557. Note that the first 3 decimals coincide. The cubic root of 6240999971 is about 1841.1311541685.

The spelling of 6240999971 in words is "six billion, two hundred forty million, nine hundred ninety-nine thousand, nine hundred seventy-one".