70353149729 has 2 divisors, whose sum is σ = 70353149730. Its totient is φ = 70353149728.

The previous prime is 70353149717. The next prime is 70353149773. The reversal of 70353149729 is 92794135307.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61071754129 + 9281395600 = 247127^2 + 96340^2 .

It is a cyclic number.

It is not a de Polignac number, because 70353149729 - 2²⁰ = 70352101153 is a prime.

It is not a weakly prime, because it can be changed into another prime (70353149929) 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, 35176574864 + 35176574865.

It is an arithmetic number, because the mean of its divisors is an integer number (35176574865).

Almost surely, 2^70353149729 is an apocalyptic number.

It is an amenable number.

70353149729 is a deficient number, since it is larger than the sum of its proper divisors (1).

70353149729 is an equidigital number, since it uses as much as digits as its factorization.

70353149729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 70353149729 in words is "seventy billion, three hundred fifty-three million, one hundred forty-nine thousand, seven hundred twenty-nine".