70217213053 has 8 divisors (see below), whose sum is σ = 75620622168. Its totient is φ = 64814101824.

The previous prime is 70217213041. The next prime is 70217213069. The reversal of 70217213053 is 35031271207.

It can be written as a sum of positive squares in 4 ways, for example, as 2428321284 + 67788891769 = 49278^2 + 260363^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70217213053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70217210053) by changing a digit.

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, 768975 + ... + 855427.

It is an arithmetic number, because the mean of its divisors is an integer number (9452577771).

Almost surely, 2^70217213053 is an apocalyptic number.

It is an amenable number.

70217213053 is a deficient number, since it is larger than the sum of its proper divisors (5403409115).

70217213053 is a wasteful number, since it uses less digits than its factorization.

70217213053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148943.

The product of its (nonzero) digits is 8820, while the sum is 31.

The spelling of 70217213053 in words is "seventy billion, two hundred seventeen million, two hundred thirteen thousand, fifty-three".