2870009646 has 16 divisors (see below), whose sum is σ = 6560022144. Its totient is φ = 820002744.

The previous prime is 2870009633. The next prime is 2870009647. The reversal of 2870009646 is 6469000782.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 68333563 = 2870009646 / (2 + 8 + 7 + 0 + 0 + 0 + 9 + 6 + 4 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 2870009598 and 2870009607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870009647) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 34166740 + ... + 34166823.

It is an arithmetic number, because the mean of its divisors is an integer number (410001384).

Almost surely, 2^2870009646 is an apocalyptic number.

2870009646 is an abundant number, since it is smaller than the sum of its proper divisors (3690012498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2870009646 is a wasteful number, since it uses less digits than its factorization.

2870009646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68333575.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 2870009646 is about 53572.4709715727. The cubic root of 2870009646 is about 1421.1102944357.

The spelling of 2870009646 in words is "two billion, eight hundred seventy million, nine thousand, six hundred forty-six".