2186023742 has 16 divisors (see below), whose sum is σ = 3748385760. Its totient is φ = 936638208.

The previous prime is 2186023709. The next prime is 2186023747. The reversal of 2186023742 is 2473206812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2186023747) by changing a digit.

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, 48434 + ... + 81962.

It is an arithmetic number, because the mean of its divisors is an integer number (234274110).

Almost surely, 2^2186023742 is an apocalyptic number.

2186023742 is a deficient number, since it is larger than the sum of its proper divisors (1562362018).

2186023742 is a wasteful number, since it uses less digits than its factorization.

2186023742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38195.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 2186023742 is about 46754.9328092769. The cubic root of 2186023742 is about 1297.8314421874.

The spelling of 2186023742 in words is "two billion, one hundred eighty-six million, twenty-three thousand, seven hundred forty-two".