2178642460070 has 16 divisors (see below), whose sum is σ = 3921593583168. Its totient is φ = 871448727360.

The previous prime is 2178642460067. The next prime is 2178642460091. The reversal of 2178642460070 is 700642468712.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2178642459997 and 2178642460024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139475 + ... + 2092065.

It is an arithmetic number, because the mean of its divisors is an integer number (245099598948).

Almost surely, 2^{2178642460070} is an apocalyptic number.

2178642460070 is a deficient number, since it is larger than the sum of its proper divisors (1742951123098).

2178642460070 is a wasteful number, since it uses less digits than its factorization.

2178642460070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064175.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 2178642460070 in words is "two trillion, one hundred seventy-eight billion, six hundred forty-two million, four hundred sixty thousand, seventy".