70663040993 has 2 divisors, whose sum is σ = 70663040994. Its totient is φ = 70663040992.

The previous prime is 70663040947. The next prime is 70663041079. The reversal of 70663040993 is 39904036607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49238278609 + 21424762384 = 221897^2 + 146372^2 .

It is a cyclic number.

It is not a de Polignac number, because 70663040993 - 2¹⁰ = 70663039969 is a prime.

It is not a weakly prime, because it can be changed into another prime (70663040933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35331520496 + 35331520497.

It is an arithmetic number, because the mean of its divisors is an integer number (35331520497).

Almost surely, 2^70663040993 is an apocalyptic number.

It is an amenable number.

70663040993 is a deficient number, since it is larger than the sum of its proper divisors (1).

70663040993 is an equidigital number, since it uses as much as digits as its factorization.

70663040993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 47.

The spelling of 70663040993 in words is "seventy billion, six hundred sixty-three million, forty thousand, nine hundred ninety-three".