70856548841 has 8 divisors (see below), whose sum is σ = 76336930824. Its totient is φ = 65380435200.

The previous prime is 70856548793. The next prime is 70856548883. The reversal of 70856548841 is 14884565807.

It can be written as a sum of positive squares in 4 ways, for example, as 19601400025 + 51255148816 = 140005^2 + 226396^2 .

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-70856548841 is a prime.

It is a super-3 number, since 3×70856548841³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (70856518841) 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, 1032560 + ... + 1099041.

It is an arithmetic number, because the mean of its divisors is an integer number (9542116353).

Almost surely, 2^70856548841 is an apocalyptic number.

It is an amenable number.

70856548841 is a deficient number, since it is larger than the sum of its proper divisors (5480381983).

70856548841 is a wasteful number, since it uses less digits than its factorization.

70856548841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134171.

The product of its (nonzero) digits is 8601600, while the sum is 56.

The spelling of 70856548841 in words is "seventy billion, eight hundred fifty-six million, five hundred forty-eight thousand, eight hundred forty-one".