70050661571 has 8 divisors (see below), whose sum is σ = 76468836288. Its totient is φ = 63640809000.

The previous prime is 70050661553. The next prime is 70050661619. The reversal of 70050661571 is 17516605007.

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-70050661571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70050661531) 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, 2062925 + ... + 2096606.

It is an arithmetic number, because the mean of its divisors is an integer number (9558604536).

Almost surely, 2^70050661571 is an apocalyptic number.

70050661571 is a deficient number, since it is larger than the sum of its proper divisors (6418174717).

70050661571 is a wasteful number, since it uses less digits than its factorization.

70050661571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161073.

The product of its (nonzero) digits is 44100, while the sum is 38.

The spelling of 70050661571 in words is "seventy billion, fifty million, six hundred sixty-one thousand, five hundred seventy-one".