70545645013 has 2 divisors, whose sum is σ = 70545645014. Its totient is φ = 70545645012.

The previous prime is 70545645007. The next prime is 70545645017. The reversal of 70545645013 is 31054654507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55617203889 + 14928441124 = 235833^2 + 122182^2 .

It is a cyclic number.

It is not a de Polignac number, because 70545645013 - 2⁹ = 70545644501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70545645017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35272822506 + 35272822507.

It is an arithmetic number, because the mean of its divisors is an integer number (35272822507).

Almost surely, 2^70545645013 is an apocalyptic number.

It is an amenable number.

70545645013 is a deficient number, since it is larger than the sum of its proper divisors (1).

70545645013 is an equidigital number, since it uses as much as digits as its factorization.

70545645013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 70545645013 in words is "seventy billion, five hundred forty-five million, six hundred forty-five thousand, thirteen".