70623322565 has 8 divisors (see below), whose sum is σ = 87670331640. Its totient is φ = 54550428352.

The previous prime is 70623322541. The next prime is 70623322571. The reversal of 70623322565 is 56522332607.

It can be written as a sum of positive squares in 4 ways, for example, as 2990558596 + 67632763969 = 54686^2 + 260063^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70623322565 - 2¹⁰ = 70623321541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243528554 + ... + 243528843.

It is an arithmetic number, because the mean of its divisors is an integer number (10958791455).

Almost surely, 2^70623322565 is an apocalyptic number.

It is an amenable number.

70623322565 is a deficient number, since it is larger than the sum of its proper divisors (17047009075).

70623322565 is a wasteful number, since it uses less digits than its factorization.

70623322565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487057431.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 70623322565 in words is "seventy billion, six hundred twenty-three million, three hundred twenty-two thousand, five hundred sixty-five".