70642043185 has 16 divisors (see below), whose sum is σ = 102579371136. Its totient is φ = 45590830848.

The previous prime is 70642043123. The next prime is 70642043189. The reversal of 70642043185 is 58134024607.

It is a cyclic number.

It is not a de Polignac number, because 70642043185 - 2²⁹ = 70105172273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70642043189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59362467 + ... + 59363656.

It is an arithmetic number, because the mean of its divisors is an integer number (6411210696).

Almost surely, 2^70642043185 is an apocalyptic number.

It is an amenable number.

70642043185 is a deficient number, since it is larger than the sum of its proper divisors (31937327951).

70642043185 is a wasteful number, since it uses less digits than its factorization.

70642043185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118726152.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 70642043185 in words is "seventy billion, six hundred forty-two million, forty-three thousand, one hundred eighty-five".