70985405713 has 2 divisors, whose sum is σ = 70985405714. Its totient is φ = 70985405712.

The previous prime is 70985405663. The next prime is 70985405783. The reversal of 70985405713 is 31750458907.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70850195329 + 135210384 = 266177^2 + 11628^2 .

It is a cyclic number.

It is not a de Polignac number, because 70985405713 - 2⁹ = 70985405201 is a prime.

It is not a weakly prime, because it can be changed into another prime (70985405783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35492702856 + 35492702857.

It is an arithmetic number, because the mean of its divisors is an integer number (35492702857).

Almost surely, 2^70985405713 is an apocalyptic number.

It is an amenable number.

70985405713 is a deficient number, since it is larger than the sum of its proper divisors (1).

70985405713 is an equidigital number, since it uses as much as digits as its factorization.

70985405713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 70985405713 in words is "seventy billion, nine hundred eighty-five million, four hundred five thousand, seven hundred thirteen".