70693934081 has 2 divisors, whose sum is σ = 70693934082. Its totient is φ = 70693934080.

The previous prime is 70693934057. The next prime is 70693934117. The reversal of 70693934081 is 18043939607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65420850625 + 5273083456 = 255775^2 + 72616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70693934081 is a prime.

It is a super-2 number, since 2×70693934081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70693934281) 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, 35346967040 + 35346967041.

It is an arithmetic number, because the mean of its divisors is an integer number (35346967041).

Almost surely, 2^70693934081 is an apocalyptic number.

It is an amenable number.

70693934081 is a deficient number, since it is larger than the sum of its proper divisors (1).

70693934081 is an equidigital number, since it uses as much as digits as its factorization.

70693934081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 70693934081 in words is "seventy billion, six hundred ninety-three million, nine hundred thirty-four thousand, eighty-one".