7404006999971 has 2 divisors, whose sum is σ = 7404006999972. Its totient is φ = 7404006999970.

The previous prime is 7404006999967. The next prime is 7404007000007. The reversal of 7404006999971 is 1799996004047.

It is a weak prime.

It is an emirp because it is prime and its reverse (1799996004047) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7404006999971 - 2² = 7404006999967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7404006999898 and 7404006999907.

It is not a weakly prime, because it can be changed into another prime (7404006990971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3702003499985 + 3702003499986.

It is an arithmetic number, because the mean of its divisors is an integer number (3702003499986).

Almost surely, 2^{7404006999971} is an apocalyptic number.

7404006999971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7404006999971 is an equidigital number, since it uses as much as digits as its factorization.

7404006999971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30862944, while the sum is 65.

The spelling of 7404006999971 in words is "seven trillion, four hundred four billion, six million, nine hundred ninety-nine thousand, nine hundred seventy-one".