2188734675 has 24 divisors (see below), whose sum is σ = 3656026416. Its totient is φ = 1155287040.

The previous prime is 2188734673. The next prime is 2188734689. The reversal of 2188734675 is 5764378812.

It is not a de Polignac number, because 2188734675 - 2¹ = 2188734673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2188734673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143154 + ... + 157703.

It is an arithmetic number, because the mean of its divisors is an integer number (152334434).

Almost surely, 2^2188734675 is an apocalyptic number.

2188734675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2188734675 is a deficient number, since it is larger than the sum of its proper divisors (1467291741).

2188734675 is a wasteful number, since it uses less digits than its factorization.

2188734675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300967 (or 300962 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The square root of 2188734675 is about 46783.9147036671. The cubic root of 2188734675 is about 1298.3677097239.

The spelling of 2188734675 in words is "two billion, one hundred eighty-eight million, seven hundred thirty-four thousand, six hundred seventy-five".