70858135444 has 12 divisors (see below), whose sum is σ = 124833964500. Its totient is φ = 35191288448.

The previous prime is 70858135429. The next prime is 70858135483. The reversal of 70858135444 is 44453185807.

It can be written as a sum of positive squares in 2 ways, for example, as 24215094544 + 46643040900 = 155612^2 + 215970^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59444149 + ... + 59445340.

It is an arithmetic number, because the mean of its divisors is an integer number (10402830375).

Almost surely, 2^70858135444 is an apocalyptic number.

It is an amenable number.

70858135444 is a deficient number, since it is larger than the sum of its proper divisors (53975829056).

70858135444 is a wasteful number, since it uses less digits than its factorization.

70858135444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118889642 (or 118889640 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 70858135444 in words is "seventy billion, eight hundred fifty-eight million, one hundred thirty-five thousand, four hundred forty-four".