2186149347 has 6 divisors (see below), whose sum is σ = 3157771292. Its totient is φ = 1457432892.

The previous prime is 2186149337. The next prime is 2186149351. The reversal of 2186149347 is 7439416812.

2186149347 is a `hidden beast` number, since 21 + 8 + 614 + 9 + 3 + 4 + 7 = 666.

It is not a de Polignac number, because 2186149347 - 2¹⁵ = 2186116579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2186149337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121452733 + ... + 121452750.

Almost surely, 2^2186149347 is an apocalyptic number.

2186149347 is a deficient number, since it is larger than the sum of its proper divisors (971621945).

2186149347 is a wasteful number, since it uses less digits than its factorization.

2186149347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242905489 (or 242905486 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 2186149347 is about 46756.2760172364. The cubic root of 2186149347 is about 1297.8562987330.

The spelling of 2186149347 in words is "two billion, one hundred eighty-six million, one hundred forty-nine thousand, three hundred forty-seven".