2156485214 has 16 divisors (see below), whose sum is σ = 3498774720. Its totient is φ = 990951840.

The previous prime is 2156485193. The next prime is 2156485229. The reversal of 2156485214 is 4125846512.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175142 + ... + 187049.

It is an arithmetic number, because the mean of its divisors is an integer number (218673420).

Almost surely, 2^2156485214 is an apocalyptic number.

2156485214 is a deficient number, since it is larger than the sum of its proper divisors (1342289506).

2156485214 is a wasteful number, since it uses less digits than its factorization.

2156485214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362435.

The product of its digits is 76800, while the sum is 38.

The square root of 2156485214 is about 46437.9716826650. The cubic root of 2156485214 is about 1291.9592873617.

The spelling of 2156485214 in words is "two billion, one hundred fifty-six million, four hundred eighty-five thousand, two hundred fourteen".