2170898895628 has 36 divisors (see below), whose sum is σ = 4064473542360. Its totient is φ = 1014233897664.

The previous prime is 2170898895497. The next prime is 2170898895637. The reversal of 2170898895628 is 8265988980712.

It is a Harshad number since it is a multiple of its sum of digits (73).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10191798 + ... + 10402621.

Almost surely, 2^{2170898895628} is an apocalyptic number.

It is an amenable number.

2170898895628 is a deficient number, since it is larger than the sum of its proper divisors (1893574646732).

2170898895628 is a wasteful number, since it uses less digits than its factorization.

2170898895628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20594534 (or 20594513 counting only the distinct ones).

The product of its (nonzero) digits is 278691840, while the sum is 73.

It can be divided in two parts, 2170898 and 895628, that added together give a triangular number (3066526 = T₂₄₇₆).

The spelling of 2170898895628 in words is "two trillion, one hundred seventy billion, eight hundred ninety-eight million, eight hundred ninety-five thousand, six hundred twenty-eight".