7742424501971 has 2 divisors, whose sum is σ = 7742424501972. Its totient is φ = 7742424501970.

The previous prime is 7742424501947. The next prime is 7742424502009. The reversal of 7742424501971 is 1791054242477.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7742424501971 - 2³⁰ = 7741350760147 is a prime.

It is not a weakly prime, because it can be changed into another prime (7742424500971) 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, 3871212250985 + 3871212250986.

It is an arithmetic number, because the mean of its divisors is an integer number (3871212250986).

Almost surely, 2^{7742424501971} is an apocalyptic number.

7742424501971 is a deficient number, since it is larger than the sum of its proper divisors (1).

7742424501971 is an equidigital number, since it uses as much as digits as its factorization.

7742424501971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 7742424501971 in words is "seven trillion, seven hundred forty-two billion, four hundred twenty-four million, five hundred one thousand, nine hundred seventy-one".