70205290289 has 2 divisors, whose sum is σ = 70205290290. Its totient is φ = 70205290288.

The previous prime is 70205290283. The next prime is 70205290361. The reversal of 70205290289 is 98209250207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60955659664 + 9249630625 = 246892^2 + 96175^2 .

It is a cyclic number.

It is not a de Polignac number, because 70205290289 - 2⁸ = 70205290033 is a prime.

It is not a weakly prime, because it can be changed into another prime (70205290283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35102645144 + 35102645145.

It is an arithmetic number, because the mean of its divisors is an integer number (35102645145).

Almost surely, 2^70205290289 is an apocalyptic number.

It is an amenable number.

70205290289 is a deficient number, since it is larger than the sum of its proper divisors (1).

70205290289 is an equidigital number, since it uses as much as digits as its factorization.

70205290289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 70205290289 in words is "seventy billion, two hundred five million, two hundred ninety thousand, two hundred eighty-nine".