70849716061 has 2 divisors, whose sum is σ = 70849716062. Its totient is φ = 70849716060.

The previous prime is 70849716043. The next prime is 70849716073. The reversal of 70849716061 is 16061794807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69804810436 + 1044905625 = 264206^2 + 32325^2 .

It is an emirp because it is prime and its reverse (16061794807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70849716061 - 2⁵ = 70849716029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70849715996 and 70849716014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70849716011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35424858030 + 35424858031.

It is an arithmetic number, because the mean of its divisors is an integer number (35424858031).

Almost surely, 2^70849716061 is an apocalyptic number.

It is an amenable number.

70849716061 is a deficient number, since it is larger than the sum of its proper divisors (1).

70849716061 is an equidigital number, since it uses as much as digits as its factorization.

70849716061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 70849716061 in words is "seventy billion, eight hundred forty-nine million, seven hundred sixteen thousand, sixty-one".