2180213851970 has 32 divisors (see below), whose sum is σ = 4892739659136. Its totient is φ = 679547174400.

The previous prime is 2180213851957. The next prime is 2180213851979. The reversal of 2180213851970 is 791583120812.

It is not an unprimeable number, because it can be changed into a prime (2180213851979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415722511 + ... + 1415724050.

It is an arithmetic number, because the mean of its divisors is an integer number (152898114348).

Almost surely, 2^{2180213851970} is an apocalyptic number.

2180213851970 is an abundant number, since it is smaller than the sum of its proper divisors (2712525807166).

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

2180213851970 is a wasteful number, since it uses less digits than its factorization.

2180213851970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831446586.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 2180213851970 in words is "two trillion, one hundred eighty billion, two hundred thirteen million, eight hundred fifty-one thousand, nine hundred seventy".