2186546492 has 12 divisors (see below), whose sum is σ = 4120799256. Its totient is φ = 1009175280.

The previous prime is 2186546473. The next prime is 2186546501. The reversal of 2186546492 is 2946456812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21024434 + ... + 21024537.

It is an arithmetic number, because the mean of its divisors is an integer number (343399938).

Almost surely, 2^2186546492 is an apocalyptic number.

It is an amenable number.

2186546492 is a deficient number, since it is larger than the sum of its proper divisors (1934252764).

2186546492 is a wasteful number, since it uses less digits than its factorization.

2186546492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42048988 (or 42048986 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 2186546492 is about 46760.5227943401. The cubic root of 2186546492 is about 1297.9348853022.

The spelling of 2186546492 in words is "two billion, one hundred eighty-six million, five hundred forty-six thousand, four hundred ninety-two".