70084365649 has 4 divisors (see below), whose sum is σ = 70086493620. Its totient is φ = 70082237680.

The previous prime is 70084365623. The next prime is 70084365653. The reversal of 70084365649 is 94656348007.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42724890000 + 27359475649 = 206700^2 + 165407^2 .

It is a cyclic number.

It is not a de Polignac number, because 70084365649 - 2⁹ = 70084365137 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70084365596 and 70084365605.

It is not an unprimeable number, because it can be changed into a prime (70084365049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013794 + ... + 1080715.

It is an arithmetic number, because the mean of its divisors is an integer number (17521623405).

Almost surely, 2^70084365649 is an apocalyptic number.

It is an amenable number.

70084365649 is a deficient number, since it is larger than the sum of its proper divisors (2127971).

70084365649 is a wasteful number, since it uses less digits than its factorization.

70084365649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127970.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 70084365649 in words is "seventy billion, eighty-four million, three hundred sixty-five thousand, six hundred forty-nine".