70825431641 has 2 divisors, whose sum is σ = 70825431642. Its totient is φ = 70825431640.

The previous prime is 70825431601. The next prime is 70825431667. The reversal of 70825431641 is 14613452807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65636390416 + 5189041225 = 256196^2 + 72035^2 .

It is a cyclic number.

It is not a de Polignac number, because 70825431641 - 2⁶ = 70825431577 is a prime.

It is not a weakly prime, because it can be changed into another prime (70825431601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35412715820 + 35412715821.

It is an arithmetic number, because the mean of its divisors is an integer number (35412715821).

Almost surely, 2^70825431641 is an apocalyptic number.

It is an amenable number.

70825431641 is a deficient number, since it is larger than the sum of its proper divisors (1).

70825431641 is an equidigital number, since it uses as much as digits as its factorization.

70825431641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 70825431641 in words is "seventy billion, eight hundred twenty-five million, four hundred thirty-one thousand, six hundred forty-one".