70851899135 has 8 divisors (see below), whose sum is σ = 85293917520. Its totient is φ = 56500426944.

The previous prime is 70851899117. The next prime is 70851899149. The reversal of 70851899135 is 53199815807.

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

It is a cyclic number.

It is not a de Polignac number, because 70851899135 - 2⁶ = 70851899071 is a prime.

It is a super-2 number, since 2×70851899135² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22634825 + ... + 22637954.

It is an arithmetic number, because the mean of its divisors is an integer number (10661739690).

Almost surely, 2^70851899135 is an apocalyptic number.

70851899135 is a deficient number, since it is larger than the sum of its proper divisors (14442018385).

70851899135 is a wasteful number, since it uses less digits than its factorization.

70851899135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45273097.

The product of its (nonzero) digits is 2721600, while the sum is 56.

The spelling of 70851899135 in words is "seventy billion, eight hundred fifty-one million, eight hundred ninety-nine thousand, one hundred thirty-five".