2147984275 has 6 divisors (see below), whose sum is σ = 2663500532. Its totient is φ = 1718387400.

The previous prime is 2147984269. The next prime is 2147984287. The reversal of 2147984275 is 5724897412.

It is not a de Polignac number, because 2147984275 - 2¹¹ = 2147982227 is a prime.

It is a super-2 number, since 2×2147984275² = 9227672891294551250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42959661 + ... + 42959710.

Almost surely, 2^2147984275 is an apocalyptic number.

2147984275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2147984275 is a deficient number, since it is larger than the sum of its proper divisors (515516257).

2147984275 is an equidigital number, since it uses as much as digits as its factorization.

2147984275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85919381 (or 85919376 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 2147984275 is about 46346.3512587561. The cubic root of 2147984275 is about 1290.2594023940.

The spelling of 2147984275 in words is "two billion, one hundred forty-seven million, nine hundred eighty-four thousand, two hundred seventy-five".