70171491848 has 8 divisors (see below), whose sum is σ = 131571547230. Its totient is φ = 35085745920.

The previous prime is 70171491839. The next prime is 70171491851. The reversal of 70171491848 is 84819417107.

It can be written as a sum of positive squares in only one way, i.e., 68970314884 + 1201176964 = 262622^2 + 34658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×70171491848³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70171491796 and 70171491805.

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 as a sum of consecutive naturals, namely, 4385718233 + ... + 4385718248.

Almost surely, 2^70171491848 is an apocalyptic number.

It is an amenable number.

70171491848 is a deficient number, since it is larger than the sum of its proper divisors (61400055382).

70171491848 is a wasteful number, since it uses less digits than its factorization.

70171491848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8771436487 (or 8771436483 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 50.

The spelling of 70171491848 in words is "seventy billion, one hundred seventy-one million, four hundred ninety-one thousand, eight hundred forty-eight".