2185424625388 has 6 divisors (see below), whose sum is σ = 3824493094436. Its totient is φ = 1092712312692.

The previous prime is 2185424625361. The next prime is 2185424625401. The reversal of 2185424625388 is 8835264245812.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 273178078170 + ... + 273178078177.

Almost surely, 2^{2185424625388} is an apocalyptic number.

It is an amenable number.

2185424625388 is a deficient number, since it is larger than the sum of its proper divisors (1639068469048).

2185424625388 is a wasteful number, since it uses less digits than its factorization.

2185424625388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546356156351 (or 546356156349 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 58.

The spelling of 2185424625388 in words is "two trillion, one hundred eighty-five billion, four hundred twenty-four million, six hundred twenty-five thousand, three hundred eighty-eight".