70085171043421 has 8 divisors (see below), whose sum is σ = 70784466904800. Its totient is φ = 69389294722320.

The previous prime is 70085171043343. The next prime is 70085171043431. The reversal of 70085171043421 is 12434017158007.

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-70085171043421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70085171043431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 854843875 + ... + 854925856.

It is an arithmetic number, because the mean of its divisors is an integer number (8848058363100).

Almost surely, 2^{70085171043421} is an apocalyptic number.

It is an amenable number.

70085171043421 is a deficient number, since it is larger than the sum of its proper divisors (699295861379).

70085171043421 is a wasteful number, since it uses less digits than its factorization.

70085171043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709770139.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 70085171043421 in words is "seventy trillion, eighty-five billion, one hundred seventy-one million, forty-three thousand, four hundred twenty-one".